Set of flexi-head crows foot wrenches in nine common sizes from 17mm to 32mm for use with 1/2" square drive extension bar or ratchet. The flexible head provides 90 access and the flare nut open Hex (6pt) profile offers a secure grip that provides more torque without damaging the fastener, ideal for flared fixings & softer metals. A professional quality set manufactured from chrome vanadium with a satin finish presented in an EVA foam tray for convenient drawer storage. Sizes: 17, 18, 19, 21, 22, 24, 27, 30, 32mm.Bi-Hex (12pt) profile. Ideal for adjusting fasteners that have restricted access. Flexi-head provides full 90 access. Manufactured from chrome vanadium with satin finish.