BGS 71047 Socket Adaptor with Ratcheting function Sliding Handle 12.5 mm (1/2")

practical helper when no ratchet is available to be used with enclosed sliding handle with sliding device, extension bars or flexible handle ratchet head with rotatable switch for changing the screwing direction (right-left rotation) material: chrome vanadium steel | material ratchet head: chrome molybdenum steel | surface finish: satin chrome plated drive profile: external square | drive profile size, metric: 12.5 mm | drive profile size, inch: 1/2" | of teeth on ratchet head: 52