General description Sealey Siegen Flexible Crow's Foot Open-End Spanner Set is designed for versatility and ease of use in tight spaces. This 10-piece set features chrome vanadium construction with a flexible head, making it ideal for applications where access is limited and various angles are needed. The spanners are heat treated, hardened, and chrome plated with a fully polished finish, ensuring durability and longevity. The set is supplied on a convenient storage rail for easy organization. Technical specifications Material: Chrome Vanadium Drive Size: 3/8" Sq Sizes Included: 10mm, 11mm, 12mm, 13mm, 14mm, 15mm, 16mm, 17mm, 18mm, 19mm Model No.: S01043 EAN: 5051747788367 Compatibility and accessories Compatible with extension bars and ratchet wrenches Supplied with a storage rail Other information