12-point side-engaging profile. Made according to DIN 3124/ISO 2725. Internal square drive according to DIN 3120/ISO 1174. with locking groove. Long chuck. For manual use. Matt surface finish. Includes chuck holder.
Set includes:
- 1/4" long 12-point chuck 4-5-6-7-8-9-10-11-12-13 mm
- Steel chuck holder