BHeavy Weight Adjustable Quick Change Wall Mount-400 ReviewbP PP Heavy Weight Adjustable Quick Change Wall Mount-400 PVariable height adjustment. Prime Fighter's glide and brake system makes height adjustment effortless.P2-14 inch Thick high density rebound board reduces vibration.PHeavy Duty Professional - Welded seams instead of nuts & bolts greatly reduces vibration and noise.P95 Pre assembled for you. Made in the USAPDurable powder coated steel frame.