Waldent Increasing Fiber Optic Push Button Contra Angle 1:5 Red Ring Handpiece.
Waldent 1:5 Increasing Contra Angle Handpiece (W-144). 1 x 1:5 Contra Angle Handpiece. There are basically two types of handpieces, air-driven and electric. Electric handpieces are much stronger than air-driven since a motor is spinning the bur as opposed to air.