Sealey oil filter strap wrench sealey ak6403 satin finish cast steel body with 3 8in and 1 2in sq drives designed for use with ratchet wrench but may also be used with a 21mm 13 16in spanner extra wide nylon webbing strap sealey ak6403 oil filter strap wrench 300mm capacity 3 8in and 1 2in sq drive