Diameter (mm) | 20 x ½”x 20 , 20 x ¾”x 20 , 25 x ½”x 25 , 25 x ¾” x 25 , 25 x 1”x 25 , 32 x ½”x 32 , 32 x ¾” x 32 , 32 x 1”x 32 , 40 x ¾”x 40 , 40 x1”x 40, 40 x 1 1/4”x 40 , 50 x 1 ¼”x 50, 50 x 1 ½” x 50 , 63 x 1 ½” x 63 , 63 x 2”x 63, 75 x 2 ½” x 75, 90 x 3”x 90 , 110 x 3”x 110 , 110 x 4”x 110 |