正品上工锥柄麻花钻21 21.1 21.2 21.3 21.7 21.5 21.6 21.9 21.8

光面光滑环规小数点对表量规20.5/21.5/22.5/23.5/24.5/25.5/26.5

光面环规光滑环规15.5 16.5 17.5 18.5 19.5 20.5 21.5 22.5 23.5