ITEM NAME:Triangular Red Reflector Screw Fit Rear Triangle for Trailers Caravans #gib Store Home Promotion Hot Item Add to Fav.It can be used in trucks, trailers,and RV. Product size: 15.3cm/6.02" equilateral triangle. 1 X Truck Reflector. Screw hole pitch: 7cm/2.76". - Adopting modern ultrasonic welding technology, it can withstand 3-4 atm vacuum waterproofing test, and the waterproofing grade can reach IP67 or above.