Secure your vehicle to your trailer or hauler with easy to install/easy to access Tie Down Brackets. Designed to easily bolt onto your CalTracs Rear Mounts. Fits all Standard, 1500 series, and S-10 Truck Truck CalTracs. 1/4" Zinc coated Steel. 45 degree angle. Hole Diameter: 1- 3/8". Note: Does not include straps.