Barbell insert with row attachment, easy to mount on the back of the barbell Description: Fits 5 cm internal training rods: Designed with a 20 cm x 10 cm / 7,87 inch x 3,94 inch long sleeve with a base to fit 5 cm internal training rods and exercise boards. EASY INSTALLATION WITH SECURE KNOB: Insert the barbell and weight into the sleeves and tighten the barbell with a secure knob. FULL 360 DEGREE SWIVEL: Full range of up and down rotation for various exercises. Great for total torso training: traps, biceps, back, shoulders, abdominal muscles, hamstrings and more. PERFECT FOR STRENGTH TRAINING: Operating on an angle-set barbell facilitates movements that are simply impossible using a traditional barbell or dumbbell. can increase the difficulty of many exercises, such as deadlift, squats and rowing with one arm, squeezing PERFECT GIFT: The perfect gift for sports and fitness enthusiasts to build whole body muscles. Specifications : _ Material: EVA, metal Black color Size Chart: 20 cm x 10 cm/7.87 inch x 3.94 inch Inner diameter 5 cm/1.97 inch The package includes: 1 row annex