Chrome Vanadium, flexible head crow's foot spanners. Suitable for use with extension bars and ratchet wrenches. Ideal for applications where access is limited and various angles are needed. Heat treated, hardened and chrome plated with a fully polished finish. Supplied on storage rail. Features & Benefits:Chrome Vanadium, 3/8"Sq drive, flexible head crows foot spanners.Suitable for use with extension bars and ratchet wrenches.Ideal for applications where access is limited and various angles are needed.Heat treated, hardened and chrome plated with a fully polished finish.Sizes: 10, 11, 12, 13, 14, 15, 16, 17, 18, 19mm.Supplied on storage rail.Lifetime guarantee*.Model No. S01043 Specifications: Model No S01043 Brand: Siegen Contents: 10, 11, 12, 13, 14, 15, 16, 17, 18, 19mm Drive: 3/8"Sq Nett Weight: 0.92kg