4:1 Reduction ContraLow speed handpiece:1:1 direct driveChuck type:Wrench or push buttonSpray:externalBur applicable:Ø2.35-0.016mmRotation speed:Max 10000rpm Send InquiryProduct DetailFacebookTwitterLinkedInWhatsAppPrev: 64:1 contra angleNext: Inner channel push button contra angle with generatorRelated Products 1:5 inner channel push button contra angle 1:5 Optic fiber inner channel push button contra angle 1:5 inner channel push button contra angle