Open Ended Spanner Set Teng Tools TT6208 TC-Tray Modular System – GET ORGANISED WITH TENG! Tray Size: 265 x 142 x 50mm Tray Weight: 0.8kg Set of 8 double open ended spanners. Chrome vanadium steel. Polished heads. Supplied in a plastic TC tray with removable lid. Fits in Teng Tools tool boxes and roller cabinets. Sizes on screws according to ISO-standard Sizes: 6×7 8×9 10×11 12×13 14×15 16×17 18×19 20x22mm