MK-LB11/11 Contra angle Blue 1:1 with Push Button Head for 20,000 rpm Basic Line
MK-LB11/11C Contra angle Blue 1:1 with Latch type Head for 20,000 rpm Basic Line
MK-LB41/11 Contra angle Green 4:1 with Push Button Head Basic Line
MK-LB41/11P Contra angle Green 4:1 for Prophy Snap-On cup (Head + Shank)