Alegra WE-66 4:1 Contra-Angle Handpiece Small head and ergonomic design The Alegra straight or contra-angle handpiece is comfortable in the hand. Thanks to the excellent ergonomics, the straight and contra-angle handpieces from W&H prevent excessive strain on your hands during preparation. The small contra-angle head allows optimal view of the treatment site. Your advantages at a glance • Robust and durable • Ergonomic design • Simple bur changing with the push-button chucking system • Thermo washer disinfectable and sterilizable • External coolant supply (spray clip, coolant hose, nozzle cleaner) available as accessories. WE-66 Features: Push-button chucking system, for contra-angle burs with Ø 2.35 mm (ISO 1797-1). Drive speed: 40,000 rpm. Motor connection according to standard: ISO 3964. Contra-angle handpiece 4:1. Head size: Ø 10.1 mm. Head height (with 19 mm bur): 20.8 mm. Without light. 12 Month warranty.