Fits 1" & 2" Olympic Barbell. Strong Construction :Made of heavy-duty steel , Strong Welding and black powder-coated for anti-corrosion ,ABS tube sleeve and flanging bearing bushing ensure no scuffs or scratches to your Olympic barbell. Space Saving :This T Bar Row attachment great for small spaces like living rooms and garages. With Arazooyi landmine attachment for barbell ,you can do landmine exercise workout at home.For example :Barbell bent-over row, haft kneeling shoulder press, lateral lunge, landmine press, overhead squat which are popular exercise commonly performed in gyms .