Ader Sporting Goods PU Foam Roller 8" X 5" X 1" ID Sold By Pair PU (polyurethane) foam roller (foam pad) for exercise equipment Bench's leg curl, leg extension, pec dec (butterfly) replacement parts. Size: 8"x5" OD x 23mm ID (straight shape) Sold as a pair (2 pieces) Save 5% each on foam roller offered by fitness-outlet when you purchase 3 or more sets.