PULL UP BALLS BUILD RAGING BOAR GRIP STRENGTH

• Builds Serious Grip Strength and Endurance.
• For Extreme Back & Grip Workouts.
• Patented 'Never Drop' Hooks fit Pull Up Bars to 1 3/4" round.
• Powder Coated 'Non-Slip' 4" Ball Grips.
• 500# Rated Heavy Duty Nylon Webbing and Stitching.
• USA Made Commercial Grade Lifetime Warranty.