8x ER Carbon Steel Eyelet Wrench CNC Eyelet Wrench Clamp 22-85 Ear: 12x8 cm/4.7x3 inches Precision eye wrench, for professionals and hobbyists who demand ease of use and high-quality work results For ER Lathe Clamp Nut, CNC Lathe Clamp Nut Collet Chuck Lathe, CNC Tool Holder Spring Clamp Nut, Fits Most Tool Holders High quality high carbon steel, hardened, wear-resistant and durable, ideal for equipment installation, debugging, maintenance and renovation If the diameter of the nut is within the range of the key specification, a wrench in size is suitable - Inner mesh panties Material: high carbon steel Color: Black Model and size (total 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 The package includes: 1 piece of key 22-26 1 piece of key 28-32 1 piece of key 34-36 1 piece of key 38-42 1 piece of key 45-52 1 piece of key 55-62 1 piece of key 68-72 1 piece of key 78-85