Best Protractor With Locking Lever

Helix Universal Locking Compass and Protractor Set, Assorted Colors (18803)

TWIST LOCK FEATURE: locking mechanism on compass securely holds compass legs in place to ensure accuracy.
ERGONOMIC DESIGN: compass fits comfortably into any hand and the tip automatically retracts when closing the compass legs.
DUAL-MEASURING UNITS: measurement arm graduated in both inch and metric.
VERSATILE: compass works with pencils, pens and thin markers to maximize versatility.
INCLUDES: 1 compass and 1 shatter-resistance protractor in red, blue green or orange (*color is random and cannot be chosen at this time).

【2 in 1 Functions】This Digital Angle Finder can be both as Ruler and Protractor for precise working..
【Resetting & Locking】Goniometer can be zeroed at any point.
Strong lock button can be locked at any angle to hold the readout securly..
【Battery & Quality】Pacakge includes one CR2032 coin Battery works more than 2000 hours. Stainless steel ruler and laser etched measurements offer....
【Accuracy & Measuring Range】Allows a full 360° to measure inside, outside and reverse. Accuracy of the protractor is ±0.3 degree..
【100% Satisfaction Gurantee: 】90 DAY MONEY BACK GUARANTEE ensures your satisfaction. If you aren't impressed with the performance of our Digital....

Functions: reading hold, metric/inch, zero function, automatic shut-off feature..
2 in 1 Digital Angle Ruler: ruler and protractor fuctions..
Widely use for woodworking, construction, drafting and DIY hobby crafts..
This protractor can be locked at any angle by rotating the Locking Knob will hold the reading..

【Patented measuring technology】Ruler and protractor combination for easy measuring inside and outside angles. 【Digital Display】Easy to read..
【Durable Rulers】Well-made stainless steel rulers and laser etched measurements offer clear reading and years' usage..
【High Accuracy】Accuracy of this protractor is ±0.3 degree. It is a good choice for most projects like woodworking, crown molding and daily use. Folded length: about 7.5 inch/220mm.Total length 400mm..
【Locking Function】For read it easily, GemRed angle finder could be locked at any angle. *NO REVERSE ANGLE/DISPLAY FUNCTION..
【Battery】CR2032 battery. Package contains battery..

PREVENT WASTE- This digital 10” stainless-steel ruler and angle finder combination tool makes precise, easy and fast measurements.
LOCK IT AND REVERSE IT- Digital protractor has lock and reverse angle functions. Place the angle rule where you need to measure your next cut, LOCK it in place with knurled locking nut, make a mark and use your miter saw to make your cut. The angle finder will automatically display the reverse angle.
MEASURE 360-DEGREES- Hinge mechanism on the angle rule allows a full range of 0 to 360-degrees to measure inside outside and reverse angles, accuracy +/-0.3 Degrees. Center check notches are on the ruler ends enables exact ruler placement marking. Display has a hold function to freeze movement for accuracy.
PICK YOUR ZERO POINT- Woodworking tool can be zeroed at any point in the swing plus the display can be inverted for easy reading.
LARGE LCD DISPLAY- Easy to read LCD display eliminates guessing or eyeballing the angle and length with one convenient protractor tool.
Power source: "CR2032" Lithium-ion battery (included).

TWIST LOCK FEATURE: locking mechanism on compass securely holds compass legs in place to ensure accuracy.
ERGONOMIC DESIGN: compass fits comfortably into any hand and the tip automatically retracts when closing the compass legs.
DUAL-MEASURING UNITS: measurement arm graduated in both inch and metric.
VERSATILE: compass works with pencils, pens and thin markers to maximize versatility.
INCLUDES: 1 compass and 1 shatter-resistance protractor in red, blue green or orange (*color is random and cannot be chosen at this time).

PROTRACTOR FOR KIDS MATH: Each protractor is perfect for measuring angles and is essential for math school supplies..
SAFETY PROTRACTOR: Our Safe-T branded protractor performs all the functions of a standard protractor without the dangerous points that can sometime cause accidents..
PROTRACTOR FOR GEOMETRY: Help students master geometry with this safety protractor..
CLEAR PLASTIC PROTRACTOR: This clear plastic protractor makes it easier to draw and measure angles and shapes accurately. This specific protractor can measure angles up to 360 degrees..
ESSENTIAL HOMESCHOOL SUPPLIES: Set up your students in their home classroom with these classic math school supplies..

PROTRACTOR FOR KIDS MATH: Each protractor is perfect for measuring angles and is essential for math school supplies..
SAFETY PROTRACTOR: Our Safe-T branded protractor performs all the functions of a standard protractor without the dangerous points that can sometime cause accidents..
PROTRACTOR FOR GEOMETRY: Help students master geometry with this safety protractor..
CLEAR PLASTIC PROTRACTOR: This clear plastic protractor makes it easier to draw and measure angles and shapes accurately. This specific protractor can measure angles up to 180 degrees..
ESSENTIAL HOMESCHOOL SUPPLIES: Set up your students in their home classroom with these classic math school supplies..

It is only designed for the red dot range, with excellent quality, fit and smoothness..
Quick detachable lever, you only need to tighten it,.
Picatinny rail clings to dust cover without touching. The locking lever is located at the bottom, and there is an extra small locking tab on the locking lever..
Using Amazon distribution, there is a strong guarantee of timeliness..