Granite Dip Bars is fully made in USA, along with all Granite Fitness equipment.Granite Power Horns Dip Bars is designed to be a straightforward & easy attachment to Mainline 3x3 Power Rack, 3x3 Wall Mount, and 3x3 90 Tall Squat Stand with crossmember (assuming they are all securely bolted to the floor).NOTE: Before using Granite Dip Bars on any Rack or Wall Mount, the uprights must first be securely bolted to the floor.Granite Fitness Power Horns Dip Bars is constructed from 7ga steel sheet and 2x3 11ga tubing to ensure a rigid st