Chuck Adapter Product Type Chuck Adapter Chuck Style SDS-Plus Overall Width 4 1/4 in Overall Length 4 1/2 in Compatible with Manufacturer Part Number 11250VSR 11253VSR 11255VSR 11536C 11536VSR GBH18V-20 GBH18V-26 GBH18V-26D GBH18V-34CQ GBH2-26 GBH2-28L RH328VC RH328VCQ RH432VCQ RHH181 Material Steel Compatible with Grainger Part Number 22DK22 2LDB3 35KG01 423N65 44H755 49AX82 4WLJ2 53DM24 53DM69 54EF82 5EEW2 61DD25 Includes SDS-Plus Shank Chuck Size 1/2 in