UM021801

Master Stethoscope

Zinc alloy chestpiece with silver shine surface 

Laser engraving available

Assembled with inner spring binaural tubing

Different audition effected by different pression on the back of head 

Chestpiece: 47mm

UM021802

Master Stethoscope

Zinc alloy chestpiece with silver frosted surface 

UM021803

Master Stethoscope

Zinc alloy chestpiece with black powder-coating surface