8pcs Drill Bit Shaft Depth Stop Collars Ring Set 3-16MM Woodworking Drills Features: 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. Specification: Hardened and Tampered High Carbon Steel Drills sizes:3mm 4mm 5mm 6mm 8mm 10mm 12mm 16mm package included: 8 x Drill Bit Depth Stop Collar(notice :without drill bit) 1 x wrench
