Hex Keys in Set Teng Tools TTHEX7AF TC-Tray Modular System – GET ORGANISED WITH TENG! Tray Size: 265 x 142 x 50mm Tray Weight: 0.7kg 7 hex keys with T-handle. With ball point head on the long key end – which permits turning even at a 30 angle. Supplied in a plastic TC tray with removable lid. Fits in Teng Tools tool boxes and roller cabinets. Keys for different screws with hex holes (countersunk heads) according to SMS and ISO Sizes: 3/32 1/8 5/32 3/16 7/32 1/4 5/16