Product details:

Solidly built to support loads of up to 220 pounds. These high-grade steel slides offer smooth, quiet operation for some of your heaviest applications. A positive stop prevents drawers from accidentally rolling open, while the trigger disconnect allows for simple drawer removal. Mounting hole pattern is consistent with all 32 mm systems for easy installation. Replaces Accuride series 9301. Requires 3/4" of side clearance. Includes mounting hardware and instructions. Steel ball-bearing action for smooth and quiet operation. Trigger disconnect for easy drawer removal. Made from high grade steel with an attractive zinc finish.