QUALIFIED STAINLESS STEEL - Camera repair wrench, This wrench is made of qualified stainless steel, firm and solid. After grinding and polishing, the is smooth without burr. REPAIR OPENING TOOL - Lens wrench, professional repair tool for camera lens repair, which can adjust the cross bar more flexible. Made of high quality stainless steel, good looking and . NON-SLIP TOOL - Camera camera maintenance tool, arc design, non-slip and tighter screw hole locking, the lens can not be easily damaged. Great accessory for DSLR camera lenses. With 2 hex screws and a hex wrench, can replace two inner hex screws and tighten the wrench opening tool. DOUBLE HEAD DESIGN - Camera wrench, The maximum opening is 110mm, with double head design and flat end, convenient to use. Three rows of holes can serve the purpose of extending the tool deep into the lens barrel and fixing it with four round head screws.Replacement for lens tensioner wrench. SERVICE - If you have any quality problems, please feel to us, we will provide you with a satisfactory solution, please feel to buy without any worry.