Professional spanner set for commercial or occasional use. Combination design with flexible ratchet head. High torque ratchet design. Manufactured from chrome vanadium steel for strength and reliability. 72 teeth ratchet requires only 5 degrees of movement to turn a fastener. Includes; 8mm flexible ratchet spanner - total length 140mm 10mm flexible ratchet spanner - total length 160mm 12mm flexible ratchet spanner - total length 170mm 13mm flexible ratchet spanner - total length 180mm 14mm flexible ratchet spanner - total length 190mm 17mm flexible ratchet spanner - total length 220mm