Teng 5Pc 1 4In Hex 4 Impact Screwdriver Bit 30Mm Accessories Hex Glass Fuses 690641 Teng Open Ended 690641 Teng Open Ended Spanner Insert tool open ended spanner with 14 x 18mm rectangular fitting for use with TQWC200 or TQWC500 torque wrenches 500 Pieces Replacement Packs Available Part # Size Pack Qty C510 1 3 16 External Tooth 50 C510 2 1 4 External Tooth 50 C510 3 5 16 External Tooth 50 C510 4 3 8 External Tooth 50 C510 5 7 16 External Tooth 20 C510 6 1 2 External Tooth 15 C510 7 5 8 External Tooth 10 C510 8 3 16 Internal Tooth 50 C510 9 1 4 Internal Tooth 50 C510 10 5 16 Internal Tooth 60 C510 11 3 8 Internal Tooth 50 C510 12 7 16 Internal Tooth 20 C510 13 1 2 Internal Tooth 15 C510 14 5 8 Internal Tooth 10 Length: 30mm Quantity: 5