DD73

Dense Drill [AO]　Ø7.3/ L=10

DD63

Dense Drill [AO]　Ø6.3/ L=10

DD53

Dense Drill [AO]　Ø5.3/ L=10

DD48

Dense Drill [AO]　Ø4.8/ L=10

DD43

Dense Drill [AO]　Ø4.3/ L=10

DD39

Dense Drill [AO]　Ø3.9/ L=10