This innovative feather board design provides consistent tension and maximum holding pressure created by unique split rail construction Pre-load tension design maintains consistent pressure across face of the feather board 5/8" And 3/4" Metal miter bars fit all standard miter slots Dual Slide Motion-side to side and forward action for quick and easy setup All mounting hardware included for nearly any operation 3/4 and 5/8-inch wide miter bars and T-slot bolts for applications on most standard table saws, Router tables, and fences.Split rail miter bar construction-provides maximum hold.Ergonomic knobs help prevent over-tightening and provides non-slip loosening, Weight: 0.8 Pounds, Manufacturer: Milescraft Inc.