3.175mm ; 6.35mm 1/4"; 9.525mm 3/8" & 12.7mm 1/2". Showing the single result Default sorting Sort by popularity Sort by average rating Sort by latest Sort by price: low to high Sort by price: high to low 3.175mm ; 6.35mm 1/4″; 9.525mm 3/8″ & 12.7mm 1/2″. Read more