USA Dental Inner Water 1:5/External 1:1 Contra Angle Low Speed Handpiece Push
USA Dental Inner Water/External Contra Angle Low Slow Speed Handpiece Push Button 1:1 1:5. SEASKY-1:1 Contra angle Handpiece. Yabangbang-1:5 Contra angle Handpiece. External water spray. Roration Speed: 22,000~27,000 rpm.