Classic CA 1:1 Slowspeed Handpiece

Classic CA 1:1 Slowspeed Handpieces (Bien Air)

There are some devices still earning respect and admiration forty years in, and Bien-Air’s classic CA 1:1 and CA 1:5 electric handpieces are two of them. Forever evolving, their dominating productivity and remarkable durability make them the most popular models in the lineup. The series’ fully redesigned bur-locking and rotation drive mechanism ensures micron-precise concentricity and stability, while a 60 to 200,000 rpm speed range lets you complete the most intricate restorative work with incredible accuracy – and on your own terms. CA 1:1 and CA 1:5 epitomize the reliability and quality Bien-Air has built its reputation on.

Micro-Series. Welcome to a New Dimension.

Bien-Air’s new generation Micro-Series models ally innovation with compact design, resulting in improved power and maneuverability. Up to 30% shorter and 23% lighter than traditional models, they have an easy grasp that allows for optimal work comfort with less strain on the hand, arm, and shoulder.

Accu-Spray Sep.3 with dualook™ illumination

This ultra-precise nebulization system is composed of three separate air and water sprays providing comprehensive cooling to the bur and treatment site. Combined with two dualook™ multi-strand optical glass conductors, unobscured intraoral visibility is guaranteed from wider angles.

Accu-Chuck™ bur-locking and rotation drive mechanism

This proven bur-locking and vibration-canceling system vouches for optimal stability and precision, no matter the rotational speed. Assembled with Bien-Air's Soft Push™ button, bur release is quick and easy.

Soft Push

Bien-Air’s unique push-button insert locking mechanism. Light pressure is all that is needed. Bur changing is quick and comfortable. This mechanism guarantees firm yet precise locking.


  • Transmission Ratio: 1:1
  • Maximum Speed: 40,000 RPM
  • Head Diameter: 9.8mm
  • Head Size: 15.3mm 
  • Noise Level: 57 dBa
  • Spray System: 2x3 separate air/water sprays
  • Lighting System: Multi-strand optical glass technology
  • Coupling System: ISO 3964 & Bien-Air Micro-Series
  • Warranty: 2-year standard warranty

MPN #1600424-001
Weight:1.00 lbs.


You may also interested in related products:

MPN # Product Price, $
1600384-001 Classic CA 1:1L Slowspeed Handpiece
1600691-001 CA 1:1 L Micro-Series