（Rubber tire repair nail） : Our inner diameter of rubber tire repair nail is less than 5mm, it will not damage the tire and cause no air leakage. Just put the nail into the tire wound to do simple and effective repair work, and the operation is convenient. (excluding car tires) （High Quality Materials） : Our rubber nails are made of high quality materials, high hardness, high wear resistance, long service life, economical and time saving. （Excellent sealing effect） : Fits the tire tightly, has high joint strength and good sealing performance, preventing water from entering the wound, so that the steel belt will not rust or delaminate. （Easy Operation） : This tire repair nail is easy to install, you can fix the tire by yourself, fast repair, no need to remove the tire, and girls can use it easily. Suitable for cars, motorcycles, trucks, buses and agricultural tires. Repair methods in different locations: Tire groove crack repair method: Screw the patch nails into 0.5mm below the tire groove plane; Tire crown crack repair method: Drive a nail to the level of the tire groove; Sidewall crack location repair method: screw nail to repair tires 0.5mm below the sidewall plane; Oblique puncture repair: Tighten the repair along the direction of the breach. Function: 1. Quick repair, no need to disassemble the tire, just insert the nail into the tire wound to complete simple and efficient tire repair work. 2. This is the latest fast, tool-less and workman's tire repair nails! Quick fix, no need to disassemble the tire, one person can fix it easily, simple and efficient. Specification: Material: rubber Size: Small: 5.3*11.7cm (can fill 0.1-3mm gap) Large: 6.8*12.7cm9 (can be 3-5mm gap) Colour: black