HENDRK125-25RD: 1/8 Round on 1/4
HENDRK125-316RD: 1/8 Round on 3/16 HENDRK50-78RD: 1/2 Round on 7/8 centers HENDRK50-34RD: 1/2 Round on 3/4 centers HENDRK25-38RD: 1/4 Round on 3/8 centers