Feature 1 This spanner is made of qualified stainless steel, solid and firm, after grinding and polishing treatment, the surface is smooth without burr 2 The opening range is 10-100mm, with a double head design and a flat end, which is convenient to use 3 Three rows of holes can achieve the purpose of extending the tool deep into the lens barrel and fixing it with four round head screws 4 Comes with hex screw and hex wrench, it can be used to replace two inner hex screws, use them to tighten the spanner opening tool 5 Great accessory for DSLR camera lens Features: This spanner is made of qualified stainless steel, solid and firm, after grinding and polishing treatment, the surface is smooth without burr. The opening range is 10-100mm, with a double head design and a flat end, which is convenient to use. Three rows of holes can achieve the purpose of extending the tool deep into the lens barrel and fixing it with four round head screws. Comes with hex screw and hex wrench, it can be used to replace two inner hex screws, use them to tighten the spanner opening tool. Great accessory for DSLR camera lens. Specifications: Condition: 100% Brand New and High Quality Material: Stainless Steel Color: Silver Suitable for Lens Caliber 10-100mm / 0.39-3.9inch Length: Approx. 107mm / 4.2inch Weight: Approx. 252g Packing List: 1 x Tool 6 x Shafts 6 x Screws 2 x Hex Wrenches Note: Lens is not included.