Impact connector pin for securing impact socket wrenches and impact screwdrivers. For impact socket wrenches from 6-16 mm. Suitable for RECA impact bit adapter (art. no.: 0700 121 163). Field of Application: For RECA impact extensions 1/2" and RECA impact adapters 1/2" x bits. Advice: Every impact socket wrench or every impact drive element must have a groove and a hole that must be locked with a securing connector pin and a securing O-ring.