General description This 15 x 17mm double ring ratchet half moon spanner is designed for efficient and precise tightening or loosening of fasteners in tight spaces. Its curved shape allows easy access around obstacles, making it ideal for use in confined areas. The spanner features a 100-tooth ratchet mechanism that enables a minimal 3.6° movement for smooth operation. The ring ends are 12-point, providing a superior grip on fasteners and reducing the risk of slipping or damaging the corners. Made from hardened and tempered chrome vanadium steel, it offers durability and corrosion resistance with a mirror chrome finish. Technical specifications Size: 15mm x 17mm Material: Chrome vanadium steel Finish: Mirror chrome plating Ratchet teeth: 100 teeth Ratchet movement: 3.6° Ring ends: 12-point Compatibility and accessories Compatible with standard fasteners requiring 15mm and 17mm sizes Suitable for use with other Draper Expert HI-TORQ® tools Installation No installation required; ready