• Robust and durable • Ergonomic design • Simple bur changing with the push-button chucking system • Component replacement by the user • Sterilizable • External coolant supply (spray clip, coolant hose, nozzle cleaner) available as accessories • Dental straight handpiece with twist tension chucking system, for handpiece and contra-angle burs with Ø 2.35 mm (ISO 1797-1) Straight handpiece 1:1 TECHNICAL DATA Transmission ratio: 1:1 Rotary instruments according to ISO 1797-1: Handpiece and contra-angle burs Instrument shaft diameter: 2.35 mm Maximum permitted bur length: Handpiece burs: 50* mm Contra-angle burs: 34* mm Spray: single, external Warranty: 12 months Drive speed: 40,000 min-1 Motor connection according to standard: ISO 3964 Outer diameter of the sheath: 18 mm