Best 30mm To Imperial

Engineer SL-71 LED Flashlight Loupe Magnifier with 10x Mounted Square Scale, Black, White, x10-30mm Lens

twin lens structure - 1 x internal glass lens + 1 x plastic eyepiece lens (for better scratch resistance).
eyepiece unit has an integrated 20mm precise graduated scale (with imperial & metric graduations).
illuminated by led (requires two 'c' type batteries - supplied).
overall length: 177mm.net weight : 90g (excluding batteries).made in Japan (ROHS compliant).

Screw - Thumb screw attaches level to conduit to help eliminate dog legs when bending..
High Accuracy Vial - 1 high visibility vial for angle at 90°, maximum accuracy of 0.5mm/m, made of transparent acrylic glass with smooth inner contours and bright fluorescent liquid inside..
Rare Earth Magnet - Bottom designed with strong magnet that frees the hands when measuring the angle, suitable for iron materials..
Metric & Imperial Measurements - Integrated ruler provides measuring marks in both metric and imperial scale..
Size & Weight - Length : 2.5''(66 mm), Height : 1-7/16''(36 mm), Weight : 0.15 lbs (70 grams). A small size, easy-to-carry and storage pocket level. Good tool for construction, installing shelving, laying flooring, aligning wallpaper, woodwork, home repair, hanging household items and home DIY projects..

Feeler gauge set: made of 65 manganese steel, each measuring feeler gauge has 26 blades thickness.
Foldable feeler gauges, easy and convenient to take and store.
Easy identification: dual marked metric and imperial, 0.0015/ 0.04 - 0.025/ 0.635 mm, the numbers of size are etched into feeler gauge for easy identification.
Metric sizes (mm): 0.04 mm, 0.05 mm, 0.06 mm, 0.08 mm, 0.10 mm, 0.13 mm, 0.15 mm, 0.18 mm, 0.20 mm, 0.23 mm, 0.25 mm, 0.28 mm, 0.30 mm, 0.330 mm, 0.35 mm, 0.38 mm, 0.40 mm, 0.43 mm, 0.48 mm, 0.45 mm, 0.50 mm, 0.53 mm, 0.55 mm, 0.58 mm, 0.60 mm, 0.63 mm.
Inch sizes: 0.0015, 0.002, 0.0025, 0.003, 0.004, 0.005, 0.006, 0.007, 0.008, 0.009, 0.010, 0.011, 0.012, 0.013, 0.014, 0.015, 0.016, 0.017, 0.018, 0.019, 0.020, 0.021, 0.022, 0.023, 0.024, 0.025 inches.
Warm notice: there is some anti-rust oil on the stainless steel feeler gauge to prevent it from rusty, please don't worry about that.

Two solid magnet surfaces with on/off control can provide a maximum tensile force of 176lbs (176lbs tensile force requires a metal working surface/surface with a thickness of 1.2"/30mm and above). Please tighten up the adjusting knob before using to get the powerful and stable magnet.
Flexible, sturdy, precise rotary joint, can adjust any direction and position, high stability.
Clamping hole diameter 8.5mm (0.33"), used for conventional digital/dial indicator.
Clamping diameter: 5/16 inch ( 8mm). This magnetic base is compatible with digital dial indicator and metric dial indicator, NOT suit for Imperial dial indicator.

✿America SAE type measuring range: 4 - 84, Metric & America SAE Type & British Metric: 0.25 - 6.0mm, Imperial: 4G - 62G US: 8, 10, 11, 14, 19, 28.
✿Made of stainless steel, the toothed edges are sharply defined and the numbers are stamped and easy to read, ensure the accuracy of measurement.
✿Thread pitch gauge is used to check whether the dimensions of molds, machines and mechanical threads are correct. Center gauges are used for grinding and positioning threaded cutting tools on lathes.
✿Including: 3 x Center Gauge + 1Pc America SAE Type Gauge + 1Pc Metric and Imperial Gauge.
✿Use for check the thread size, can be used for measuring the metric, imperial and American SAE type screw thread.

Metric and Imperial: Include 7Inch Imperial Triangle Ruler and 12Inch Metric Triangle Ruler, with black matte finish to prevent glare,corrosion resistant and durable,not easy to break.No sharp edges at all,will not hurt your hand..
Top Quality: The rafter square metric,rafter square made from high-quality aluminum alloy, high hardness, strong toughness, not easy to rust..
Widely Use: This carpenter square can be used as a protractor,miter,line scriber saw guide,framing square and a ruler,ideal for all building and remodeling projects..
Easy to Mark Your Cut Lines: This triangle ruler uses a thicker edge desig, can be used directly with the saw against the square for cross cuts or angled cuts using the etched protractor scale,let you quickly and accurately mark your cut lines on your stringers..
Size：7 Inch Imperial Triangle Ruler：7*7Inch, 12Inch Metric Triangle Ruler：12*12Inch(30*30cm).

Feeler gauge set: made of 65 manganese steel, each measuring feeler gauge has 17 blades thickness.
Foldable feeler gauges, easy and convenient to take and store.
Easy identification: dual marked metric and imperial, 0.0008 inch/ 0.02 mm to 0.0394 inch/ 1 mm, the numbers of size are etched into feeler gauge for easy identification.
Metric sizes (mm): 0.02, 0.03, 0.04,0.05,0.06, 0.07, 0.08, 0.09, 0.10, 0.15, 0.20, 0.25 0.30, 0.40, 0.50, 0.75, 1.00.
Inch sizes: 0.0008-0.0394 inch, various sizes bring convenience when measuring.
Warm notice: there is some anti-rust oil on the stainless steel feeler gauge to prevent it from rusty, please don’t worry about that.

▲Feeler Gauge Set - Made of 65 Manganese Steel, Each Measuring Feeler Gauge has 23 Blades Thickness.
Foldable Feeler Gauges, Easy and Convenient to Take and Store..
▲Easy Identification - Dual Marked Metric and Imperial, 0.0007 inch/ 0.02 mm to 0.0039 inch/ 0.10 mm, the Numbers of Size are Etched into Feeler Gauge for Easy Identification..
▲Metric Sizes (mm) - 0.02, 0.03, 0.04, 0.05, 0.10, 0.15, 0.20, 0.25, 0.30, 0.35, 0.40, 0.45, 0.50, 0.55, 0.60, 0.65, 0.70, 0.75, 0.80, 0.85, 0.90, 0.95, 0.10..
▲Inch Sizes - 0.00078,0.00197,0.00394,0.00591,0.00787,0.00984,0.01181,0.01378,0.01575,0.01772,0.01968,0.02165,0.02362,0.02559,0.02756,0.02953,0.03149,0.03346,0.03543,0.0374,0.03937..
▲Warm Notice - There is Some Anti-rust Oil on the Stainless Steel Feeler Gauge to Prevent it from Rusty, Please don’t Worry About That..

Measures up to 98-Foot (30 m) in distance with an accuracy of plus or minus 1/16-Inch (1.6 mm).
Quickly calculates area, length, volume and Pythagoras measurements with large, easy-to read buttons.
Toggle between fractional (imperial) and metric readings.
One-touch, single-distance measurement and continuous measurement.
Depth gauge measures from inside corners or channels.