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.
Alegra straight and contra-angle handpieces are thermo washer disinfectable and sterilizable.
The dental straight handpiece or dental contra-angle handpiece is comfortable in the hand and is perfectly balanced with the micro air motor.
The easy 360° rotation of the Alegra straight or contra-angle handpiece on the micro air motor,the low overall weight and the slender design ensures fatigue-free operation.
| WE-56 | WE-57 | WE-66 | HE-43 | |||
| Transmission ratio: | 1:1 | 1:1 | 4:1 | 1:1 | ||
| Motor connection according to standard: | ISO 3964 | |||||
| Maximum drive speed: | 40,000 min-1 | |||||
| Head size: | Ø 10.1 mm | Ø 10.1 mm | Ø 10.1 mm | – | ||
| Head height (with 19 mm bur): | 20.8 mm | 22.7 mm | 20.8 mm | – | ||
| Rotary instruments according to ISO 1797-1: | Contra-angle burs | FG burs | Contra-angle burs | Handpiece and contra-angle burs | ||
| Instrument shaft diameter: | 2.35 mm | 1.6 mm | 2.35 mm | 2.35 mm | ||
| Maximum permitted bur length: | 34* mm | 25* mm | 34* mm | Handpiece burs: 50* mm Contra-angle burs: 34* mm |
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| Spray: | single, external | |||||
