Features: High hardness 303 stainless steel for 25-110mm. Double head design-, one flat and one pointed, easy to use. Three rows of holes can extend the tool into the lens barrel from 25mm film lens can be disassembled, and the 110mm super telescope, prism- for surveying and mapping, microscope, birdwatching mirror, can also be disassembled. Advantages of arc-shaped design-: more firmly lock the screw hole without slipping and damaging the lens. The screws are larger, the operation is more convenient, and it is easier to tighten the crossbar. The screw holes of vertical bar and crossbar are accurate to 1 thread, and this tool will not swing up and down, left and right. 2 in 1 design-with pointed head and double head design, can be replaced at any time . Specifications: Material: High Hardness Stainless Steel The purpose: Lens Repairing, Removal for lens Ring Weight: approx. 150g per set Size:AS Pictures Note: Transition: 1cm=10mm=0.39inch. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. Please allow slight manual measurement deviation for the data. Package includes: 1PC Steel Wrench