General description The Draper HI-TORQ® Metric Flexible Head Ratcheting Combination Spanner features a unique flexible head that allows for movement through 180°, requiring only a 5° turn to operate fasteners. This design is particularly advantageous for use in confined spaces. Crafted from high-quality chrome vanadium steel, the spanner is hardened, tempered, chrome plated, and fully polished for durability and ease of use. Technical specifications Size: 21mm Material: Chrome vanadium steel Head movement: 180° Minimum movement to turn fastener: 5°