Best Constant Speed

Porter Cable 690/6902/6912 Router Replacement (2 Pack) Ball Bearing # 855284-2PK

2-1/4 HP (maximum motor HP), 12.0 Amp electronic variable speed motor provides the power to rout smoothly through the toughest hardwoods.
Electronic variable speed with full feedback control for constant speed under load from 8,000-24,000 rpm and soft start to reduce start-up torque for enhanced control.
Micro-fine depth adjustment ring provides precise depth adjustments in 1/64-inch increments and adjusts vertically for a constant switch/cordset location.
Adjustable, tool-free steel motor cam lock makes depth adjustment and base changes quick and solid-locking.
Quick release motor latches for fast and easy motor pack removal for bit and base changes.

【POWERFUL DUAL ACTION POLISHER】MAXXT Car Buffer Polisher with 7A powerful motor delivers stable speed. Random orbit, swirl-free, scratch-free polishing and sanding action to protect vehicle surface..
【ERGONOMICALLY DESIGNED CAR BUFFER】MAXXT DA polisher with rubber rear handle and soft rubber no-slip gear box cover, this buffer polisher provides the comfort and reduces the fatigue greatly for long time holding..
【SOFT START & VARIABLE SPEED & CONSTANT SPEED】Soft start offers more safe to use this buffer for car detailing, infinitely variable speed between 2100-5000 opm (orbit per minute) ensures work at the right speed, constant speed can keep stable speed without any change during operation..
【FASTER & HIGH EFFICIENCY】21mm long-throw random orbital polisher and 6 Inch (150mm) backing plate brings higher efficiency and better car detailing results significantly..
【SAVE EFFORT】Locked trigger for continuous use, can save the effort and reduce the fatigue..

2-1/4 HP (maximum motor HP), 12.0 amp electronic variable speed motor of DEWALT router provides the power to rout smoothly through the toughest....
DEWALT plunge router features electronic variable speed with full feedback control for constant speed under load from 8,000-24,000 rpm and soft start....
D-handle incorporates trigger switch with lock-on feature.
Micro-fine depth adjustment ring provides precise depth adjustments in 1/64-inch increments and adjusts vertically for a constant switch/cordset....
Adjustable, tool-free steel motor cam lock makes depth adjustment and base changes quick and solid-locking.

003cb003e★ SOFT Start & Constant Speed Technology 003c/b003e starts up slowly to avoid splashes, save motor life, and operate safely, constant speed keeps stable speed without any change during operation, increase working efficiency greatly.
003cb003e★ Durable and Solid003c/b003e 13A Durable motor, Die-cast gear box increases the durability and professional quality, Robust design limits vibration to the user when operating manually.
003cb003e★ 2 Gears Setting, Variable Speed & Lock on button003c/b003e This speed for this unit is 180-460rpm (gear 1)/300-750rpm (gear 2) , Lock-On button for continuous mixing and easy operation.
003cb003e★ 5/8" Keyed chuck 003c/b003e accepts most common mixing paddles.
Comes w/ 1pc 100mm x 600mm(24") Large Spiral Mixing Paddle.

2-1/4 HP (maximum motor HP), 12.0 amp electronic variable speed motor of DEWALT router provides the power to rout smoothly through the toughest....
DEWALT plunge router features electronic variable speed with full feedback control for constant speed under load from 8,000-24,000 rpm and soft start....
Micro-fine, depth-adjustment ring provides precise depth adjustments in 1/64-inch increments and adjusts vertically for a constant switch/cordset....
Adjustable, tool-free, steel motor cam lock makes depth adjustment and base changes quick and solid-locking.
Integral, through-the-column dust collection collects 95% of the dust and provides superior bit visibility.

4 1 LOW-SPEED DENTAL HANDPIECE WITH LOW VIBRATION Crafted with high-precision chuck mechanism that enables smooth and vibration-less motion this dental handpiece allows you to easily maneuver into focus areas.
MAXIMUM COMFORT Easy-grip design with state-of-the-art quiet running technology allows you to use for long periods without straining your arm or your hand Push-pull friction grip chuck works with disposable prophy angles only.
CONSISTENTLY POWERFUL LOW-SPEED DENTAL HANDPIECE Medidenta’s elite line of high-strength low-speed dental handpiece gives you an allowable max speed of 5 000rpm giving you constant efficiency.
HIGHEST QUALITY MATERIALS Nose cone grip is finished with titanium color featuring a solid plating finish for keeping it spotlessly clean Crafted with a chuck open/close ring made of heat-treated titanium for a smooth power emission.
BACKED BY 6-MONTH Sturdy ceramic bearings and titanium coating allow this low-speed dental handpiece to maintain its torque and constant speed even after rigorous uses 6-month gives you peave of mind.

Intelligent constant temperature, temperature control, high temperature resistance, corrosion resistance..
Rotary evaporator used in medicine, chemical industry, biological products, environmental protection and other industries..
It is an indispensable instrument in the process of evaporation, concentration, crystallization, drying, separation and solvent recovery..
The glass rotating bottle is rotated at a constant speed by an infinite speed regulation..
It is especially suitable for the concentration and purification of biological products which are easily decomposed and denatured at high temperature..

2-1/4 HP (maximum motor HP), 12.0 Amp electronic variable speed motor provides the power to rout smoothly through the toughest hardwoods.
Electronic variable speed with full feedback control for constant speed under load from 8,000-24,000 rpm and soft start to reduce start-up torque for enhanced control.
Micro-fine depth adjustment ring provides precise depth adjustments in 1/64-inch increments and adjusts vertically for a constant switch/cordset location.
Adjustable, tool-free steel motor cam lock makes depth adjustment and base changes quick and solid-locking.
Quick release motor latches for fast and easy motor pack removal for bit and base changes.

【Hair Dryers】: Blow dryer brush with drying, straightening, curling function in one. Reduce the burden of various tools, you can easily create....
【Hair Cares Design】: Replaced at any time, easy to disassemble, and easy to clean. The comb uses push technology, just press the button and push....
【3 Settings for Hair Dryers】: The blow dryer brush has high-speed constant temperature, low-speed constant temperature, high-speed....
【Widely Use Hairdryer Brush】: Hairdryer brush is a unique hairbrush that is designed for all hair types that can easily create gorgeous volume,....
【The best choice for gifts】: The hair comb is themed with romantic cherry blossoms, and the main color of red looks more enthusiastic. It is very....