Description: 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 Used For: Fixed on the bit, Limit the depth of the drill holes Specification: Material: Stainless steel Color: as the picture shown Diameter: 9.5mm/ 3/8'' Package Includes: 1 Set of Drill Bit Depth Stop Note: Please allow 0-1mm error due to manual measurement
