Grinding Wheel with screw cap Type:27 Size: 4-1/2" x 1/4" x 5/8" -11 5" x 1/4" x 5/8" -11 6" x x 1/4" x 5/8" -11 7" x 1/4" x 5/8" -11 9" x 1/4" x 5/8" -11