Heavy duty alloy steel with matte paint finish, smooth welding workmanship, anti-rust for long last use, load up to 600 lbs Only fit 3'' x 3'' Power Rack with 5/8" or 1'' hole means it will fit perfectly, sturdy, stable and loads more with the similar design of J hooks for squat rack. Up and down, left and right, our landmine attachment provides more room for your strength training. Compatible with 1" Standard Bar and 2" Olympic Bars. Upgrade your power rack with out landmine attachment, do your favorite strength training exercise like back rowing, vicking press, squat, weightlifting and more. SELEWARE Power Rack Landmine Attachment for 1" Standard Bar and 2" Olympic Bars T Bar Row Landmine Attachment for 3" x 3" Power Cage with 5/8" or 1" Hole, 600 lbs Capacity