Find Applicable Bits HERE Input Drive Size: 3/8" Drive Shape: Hex Length: 45mm Type: Sleeve Drive Bit Holder for 183 Series Bits Product Dimension (Refer Line Drawing Image): D1 Size: 24mm D2 Size: 22mm H Size: 15mm L Size: 45mm 3/8 Sq. Dr. Bit Holder for 183 Series Bits