High quality cemented carbide material, high hardness, durable and wear-resistant, improve the skid resistance of the auto, motorbike, easy installation without hurt tires.<br/>Features:<br />Simple and nondestructive installation, harmless for tires.<br />Improve automobile, motrobike skid resistance high up to 98%.<br />High quality cemented carbide material, durable and wear-resistant.<br />Tungsten steel nail core, durable, high hardness.<br />Great thread type, stable installation, do not easily fall off easily.<br />Surface galvanize process, anti-corrosion, anti-rust, not easy to crack.<br/>Specifications:<br />Model: JX4*4-H12, JX6*6-15, JX6*6-20 (optional)<br />Quantity: 100PCS<br />Color: Silver<br />Material: Cemented Carbide <br />Package Weight: <br /> 70g / 2.47ounces<br /> 200g / 7.05ounces<br /> 260g / 9.17ounces<br />Item Size: <br /> 12 * 4 * 4mm / 0.47 * 0.16 * 0.16in<br /> 15 * 6 * 6mm / 0.59 * 0.24 * 0.24in<br /> 20 * 6 * 6mm / 0.79 * 0.24 * 0.24in<br />Package Size: 100 * 100 * 50mm / 3.94 * 3.94 * 1.97in<br/>Packing List:<br />100 * Non-Slip Nails<br />