Wrenches and Sockets -Pin Wrench Highlights Generic Brand Pin Wrench Description: 100% brand new and high quality. Precision adjustable wrench, for professionals and hobbyists demanding ease of use and high quality work results. For ER lathe collet nut, CNC milling lathe collet chuck, CNC tool holder spring collet nut, suitable for most tool holders. High quality high carbon steel, hardened, wear resistant and durable, ideal for equipment installation, debugging, maintenance and overhaul. If the diameter of the nut is within the specification range of the wrench, the size wrench is suitable. specification: Material: high carbon steel The color black Model and size (overall length x opening x thickness): 22-26: 130x22x5mm/5.12x0.87x0.20 inch 28-32: 145x25x4.36mm/5.71x0.98x0 .17 inch 34-36: 157x34x5.32mm/6.18x1.34x0.21 inch 38-42: 167x33x5.35mm/6.57x1.30x0.21 inch 45-52: 190x42x7.88mm / 7.48x1.65x0.31 inch Package includes: 5 pieces of key Note: Please allow slight measurement error due to manual measurement, make sure you do not mind before you bid . The colors may be different for the different displays, please understand.