Combination Spanners in Set Teng Tools TT3592 TC-Tray Modular System – GET ORGANISED WITH TENG! Tray Size: 265 x 142 x 50mm Tray Weight: 0.7kg Chrome vanadium steel. Same dimension at both ends. The 12 point ring head is set at a 15 angle. Polished heads with satin finish. Supplied in a plastic TC tray with removable lid. Fits in Teng Tools tool boxes and roller cabinets. Sizes: 5/16 3/8 7/16 1/2 9/16 5/8 11/16 & 3/4