Feature:* 100% brand new and high quality.* Self-tapping hex bolts with washing machine and U-shaped nut fastener speed clip set.* Used for fixing undertray, be sure to check the compatibility chart to confirm whether the vehicle is compatible with the part before you buy.* Special Features: U nut hex bolt quick release fastening car body fastener. Specification:Bolt:* Hex Bolt: 8mm * Length: 14mm (From Washer)* Washer Diameter: 17mm Please note that there is more than one type of bolt, please check the picture and dimensions to make sure they are correct. Speed fastener:* Length: 16mm* Width: 11mmMounting:For BMWDla 1er - E81 - E82 - E87 - E88 - F20For 3er - E21 - E30 - E36 - E46 - E90 - E91 -E92 - E93For 5er - E34 - E39 - E60 - E61 - F07 - F10 - F11 - F18For 6er - E63 - E64 - F12 - F13For 7er - E32 - E38 - E38 - E38 - E38 e65 - E66 - F01 - F02 - F04For 8er - E31For X1 - E84For X3 - E83 - F25For X5 - E53 -E70For X6 - E71 - E72For Z1 - RoadsterFor Z3 - E36 - E85 - E86 - E89For MINIDla R50 - R52 - R53 - R55 - R56 - R57 - R60Package Contents:10 * screw10 * claspNote:1. The actual colors 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.2. Please allow slight manual measurement deviation for the data.