Depth Stop Drill Bit, 18 Piece Drill Stop Collar Set Positioner Ring and Hex Wrench (3mm, 4mm, 5mm, 6mm, 8mm, 10mm, 12mm, 16mm) Best Mounts : Don't let bulky tools

: Don't let bulky tools clutter your bench

it's designed for strength and durability

Instruction: The installation is simple

reducing friction-induced sounds while protecting floors and surfaces from wear

Depth Stop Drill Bit, 18 Piece Drill Stop Collar Set Positioner Ring and Hex Wrench (3mm, 4mm, 5mm, 6mm, 8mm, 10mm, 12mm, 16mm) Best Mounts : Don't let bulky toolsAbout this item 8 Different Size Drill Stop Set Come with 16 Pieces stop collar and 2 Pieces Hex Wrench. The diameter of the stop collar are 3mm, 4mm, 5mm, 6mm, 8mm, 10mm, 12mm, 16mm. 2 pieces for each size. The diameter of the hexagonal is 2. 5 mm. Sturdy Material These Drill Stop Assortment Set are made of carbon steel, which is durable and sturdy for long term use. They will stay sturdy when tightened and is specially designed not to damage the