Description: 100% Brand new and high quality. Precision spanner wrench, for professionals and hobbyists demanding ease of operation and high quality work results. For ER Lathe Clamping Nut, Clamping Nut CNC Milling Lathe Collet Chuck, spring clamping nut CNC tool holder, fits for most tool holders. High-quality high carbon steel, harden, wearproof, and durable, perfect for equipment installation, debugging, maintain and overhaul working. If the nut diameter is within the limits of wrench specification range, the wrench in the size is suitable. Specification: Material: High Carbon Steel Color: Black Model and Size (Overall Length x Open 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 55-62: 213x48x9mm/ 8.39x1.89x0.35 inch 68-72: 235x60x9mm/ 9.25x2.36x0.35 inch 78-85: 263x65x9.5mm/ 10.35x2.56x0.37 inch 85-105: 283x78x9.6mm/ 11.14x3.07x0.38 inch 90-95: 285x78x10.65mm/ 11.22x3.07x0.42 inch 100-110: 312x86x11.52mm/ 12.28x3.39x0.45 inch 115-130: 336x95x12.7mm/ 13.23x3.74x0.50 inch 135-145: 365x115x13.58mm/ 14.37x4.53 inch 150-160: 385x133x11.72mm/ 15.16x5.24x0.46 inch 165-170: 408x142x13.9mm/ 16.06x5.59x0.55 inch Package Includes: 1 Piece of Wrench(2 Pack) Note: Please allow slim measuring error due to manual measurement, make sure you do not mind before you bid. The colors may be different for the different display, please understand.