Product Description
Meterial:Carbon steel.
Sizes:3mm 4mm 5mm 6mm 8mm 10mm 12mm 16mm.
M3: inner diameter: 3.2 mm, outside diameter is about: 9.8 mm, thickness: about 3.5 mm, height: about 8 mm
M4: inner diameter: 4.2 mm, outside diameter is about: 9.8 mm, about the thickness: 3 mm, height: about 8 mm
M5: inner diameter: 5.2 mm, outside diameter is about: 11.8 mm, about the thickness: 3.4 mm height: about 8 mm
M6: inner diameter: 6.2 mm, outside diameter is about: 11.8 mm, thickness: about 3 mm height: about 8 mm
M8: inner diameter: 8.3 mm, outside diameter: about 16 mm, about the thickness: 3.9 mm height: about 8 mm
M10: inner diameter: 10.3 mm, outside diameter is about: 18 mm, thickness: about 3.8 mm height: about 8 mm
M12: inner diameter: 12.2 mm, outside diameter is about: 20 mm, thickness: about 3.9 mm height: about 8 mm
M16: inner diameter: 16.2 mm, outside diameter is about: 24 mm, thickness: about 4 mm height: about 8 mm

Feature
Essential for precision drilling jobs, pays for itself by preventing errors and material waste.
Stops can be set at any point on drill bit flute or shaft,quick & easy adjustment.
Gives exact drilling results,prevents under- and over-drilling.
Work with any twist-type bit for wood, metal, concrete or masonry; power drills, drill presses.
Hardened steel collars with hex set-screws; includes hex key for tightening and loosening collars.

Package Included:
8 x Drill Bit Depth Stop Collar
1 x Hex Wrench

• Product name:Meidus New 8Pcs Woodworking Drill Bit Depth Stop Collars Ring Positioner Locator
• Essential for precision drilling jobs, pays for itself by preventing errors and material waste.
• Stops can be set at any point on drill bit flute or shaft,quick & easy adjustment.
• Gives exact drilling results,prevents under- and over-drilling.
• Work with any twist-type bit for wood, metal, concrete or masonry; power drills, drill presses.

Product name:Meidus New 8Pcs Woodworking Drill Bit Depth Stop Collars Ring Positioner LocatorMeidus