Includes: (2) 36" universal T-rail bars (4) work gripper cookies, (4) workbench and finishing tapers, (4) T-bolts. Features: T-tracks are equipped with a double cut profile for hardware versatility and pre-drilled mounting holes for easy installation. Premium quality: Made of extruded anodized 6463 aluminum, delivers a lightweight design with an impressive strength-to-weight ratio, along with corrosion resistance and superior resilience. Versatile: Universal T-rail designed for 5/16" and 1/4" t bolts and 1/4" hex bolts; and can function as round stops when used with double-cut universal T-rails or with a workbench with 3/4" dog holes. Dimensions: T-track 3/4" x 3/8" x 36", the dimensions allow for easy and firm attachment without compromising the integrity of the platform's surface., Weight: 1.67 Pounds, Manufacturer: POWERTEC