Easy to remove damaged screws with high hardness and strong torque. Effective solution:broken screw, screw wire, screw stuck, rusty screw. Model:1#, 2#, 3#, 4#, 5# Type available screw diameter Product length 1#:3-4mm 50mm 2#:3-5mm 61mm 3#:3-6mm 65mm 4#:5-8mm 74mm 5#:6-11mm 83mm :Electrical colour:Silver + black Material:steel Package Contents: 5 * Screw Extractor 1 * post Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.