Valor Fitness MB-H Safety Bar Extension Accessory Set for BD-11, BD-20 and BD-41 (fits 2.5" tubing) SECURE- Solid steel safety catches are welded to a 3-sided face plate for a secure grip on Valor Fitness BD-11, BD-20, BD 41 Power Racks. A 12-Gauge Steel rod is positioned completely through the main frame uprights, creating a safe LOCKING MECHANISM. HEAVY DUTY- Made from 12-Gauge Steel, the MB-H can safely support or catch up to 750 lbs. for added insurance while lifting personal best limits. UNIQUE DESIGN- Safety catch extends 12 in. from the power rack and is reinforced with rubber padding to absorb shock and better support the weight. 3.5 in. Steel End Caps prevent bar from sliding or tipping off. EASILY ADJUSTABLE- Safety bar extensions can be adjusted with just a turn of the wrist by rotating the extension 90 degrees to unlock. Find desired height, re-insert steel pin, and rotate back in place to lock. ADDITIONAL- Sold as a pair. Please note that Valor Fitness accessories are designed to fit Valor Fitness products. If you currently have, the MB-H will fit most 2.5 in. X 2.5 in. frames with 1 in. peg holes. Be sure to double check measurements.