8pcs Drill Bit Shaft Depth Stop Collars Ring Set 3-16MM Woodworking Drills
8pcs Drill Bit Depth Stop Collar.
Drill Limited ring, clamping device, positioner .
Works with both standard and brad-point bits.
Setscrew type collar will not damage bits.
Positively locks anywhere along the bit.
Hardened and Tampered
High Carbon Steel Drills
sizes:3mm 4mm 5mm 6mm 8mm 10mm 12mm 16mm
8 x Drill Bit Depth Stop Collar(notice :without drill bit)
1 x wrench
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