Item # DRILLKIT-GSC4, Global Drill Stop Collar Kit GSC4
- DRILLKIT-GSC4 This is a 4 piece set screw collar kit for drill sizes: 5/8", 3/4", 7/8", and 1". Collars are zinc plated.
- DRILLKIT-G1SC7 This is a 7 piece clamping collar kit for drill sizes 1/8", 3/16", 1/4", 5/16", 3/8", 7/16", and 1/2". Collars are black oxide plated. This kit includes necessary hex keys.