Feature: 1. Adjust the size of the cassette repairer, suitable for all kinds of 86 cassettes. 2. Universal thread, one‑piece frame nylon 66 insulation material, firm upgrade, multi‑support point design. 3. Safe and insulated nylon material, strong toughness and high hardness, strong support and long service life. 4. A large number, can meet your use and replacement needs, very practically. 5. Small size, easy to carry and store, convenient to use and with good performance. Specification: Item Type: 86mm Switch Box Repair Tool Material: Nylon 66 Purpose: 86 line box repairer, safe and fast repairing cassette Applicable Socket Box: 86mm series socket box Principle of Prosthesis: Use a screwdriver to turn the screws clockwise to make the prosthesis longer and longer in both directions, so as to support the two ends of the cassette, and make it strong against both ends to be fixed to prevent loosening and falling off.Economical Insulation Type: Before Adjustment:Size: Approx. 68mm / 2.7in±0.5mm / 0.02in 44mm / 1.7in±0.5mm / 0.02in After Adjustment: Size: Approx. 76mm / 3in±0.5mm / 0.02in 17mm / 0.7in±0.5mm / 0.02in Insulation Type:Size: Approx. 48mm / 1.9in65mm / 2.6in 26mm / 1in80mm / 3.1in . Package List: 40 x Brackets40 x Screws