1. Replacement foam foot pad roller: inner diameter 2 cm / 0.79 inch; easy to maintain and . 2. Sweatproof and nonslip surface: the foam foot pad roller can effectively prevent slipping even if you sweat, significantly improving the security and stability of training. 3. Easy replacement: the foam foot pad is easy to install and remove. You can easily the worn or damaged foam pad without replacing the entire fitness equipment, saving labor, cost and time. 4. Wide application: The foam sleeve is suitable for abdominal muscle trainers, sit up benches, leg stretchers, weight benches, inversion tables, workout benches and other gym exercise machines. Use scenarios Situps on a situp bench: a secure, nonslip foot contact helps prevent slipping when sweat occurs, enhancing stability during core work. Abdominal trainers or leg stretchers: worn pads to restore grip and stability for effective stretching and abdominal routines. Weight benches and inversion tables: maintain foot and leg position with a nonslip surface to improve safety and control throughout workouts.