SKYSEA 1020AM-M4 low speed Internal Water Spray Low Speed Handpiece. Contra-angle Model: skysea1020CH (Push button type, internal spray nozzle, be applicable to SANDENT E-TYPE motor NSK style low speed Internal Water Spray Low Speed Handpiece (Complete set). Inner water spray Pipe. Contra-angle Model: (Push button type, internal spray nozzle, be applicable to W&H E-TYPE motor). Ratio: E-type Low Speed Handpiece 1:1 Ratio, with Internal water Cooling System L Winkel Verzinkt NSK Style Inner Water Spray Dental Low Speed Handstück Chinch Winkel