Weaver Grips, Overall Length 2 1/2 in, Overall Width 11/16 in, Material ABS Plastic, Compatible with Grainger Part Number 23N367, 23N372, 23N376, 54ZY11, Compatible with Manufacturer Model Number K020T, K020TS, K025TD, K025TPD, Application Clamping, Compatible with Brand Kant-Twist, Compatible with Series Weaver-Grips