Fuller Pro Socket Adaptor 1/2 inch F - 3/8 inch M Silver SKU: 254220 MODEL: 507-4908 Error. try again later You've successfully joined the club $ 5 .48 each Mitre 10 SAvailable at selected stores. Check your local store for details Variants Fuller Pro socket accessories are industrial grade for daily use. The range of CRV steel sockets with polished chrome finish are compatible with most brands of ratchets. Features and benefits Chrome vanadium steel. Polished for corrosion protection. Heat treated.