Topeak Torq Stick Pro Wrench - 4-20NmTopeak Torq Stick 4 20Nm Pro Kit. Torque wrench with adjustable preset range of 4 20Nm features a standard hex drive reversible ratcheting head and a fine tooth ratchet mechanism with reverse lever and thumb wheel for quick rotation and control in tight spots. Includes magnetic bit holder for adding leverage, fingertip bit holder for narrow space, and 18 tool bits with a generous 30mm length for reaching tough bolt locations. Knurling on the