DETAILS: Designed to increase 5" overall height to the Front Up-Rights of the WB-PR Power Rack Allows users to increase the performance and range of motion while performing Pull-up's/Chin-up's and additional exercise routines Dimension: 5" Sold in Qty : set of 2 in BLACK only ADDITIONAL INFORMATION: Accessories Available: No Isolateral Function: No Product Weight: 2.87 lbs.