PM 1:1 Ext Straight Handpiece

The Bien-Air PM 1:1 Ext Straight Handpiece is a premium Swiss-engineered electric attachment designed to deliver exceptional precision, durability, and operator comfort for laboratory work, prosthetic adjustments, polishing, and restorative procedures. Featuring a 1:1 direct drive ratio, this extended straight handpiece provides smooth, vibration-free performance while maintaining outstanding control and accuracy during demanding applications. Designed to withstand repeated lateral pressure, the PM 1:1 Ext ensures reliable long-term performance without compromising precision.

Part of Bien-Air's renowned handpiece portfolio, the PM 1:1 Ext features an ergonomic extended design that improves access and visibility during trimming, finishing, and polishing procedures. Its proven locking-ring bur retention system securely holds HP-type burs (Ø 2.35 mm), providing stable and accurate operation even during extended use. The handpiece operates quietly with minimal vibration, enhancing both clinician comfort and procedural precision.

Compatible with Micro-Series electric micromotors, the PM 1:1 Ext supports speeds from 100 to 40,000 RPM and delivers smooth power transmission for a wide range of laboratory and clinical applications. The interchangeable sleeve system allows operation with or without an external irrigation tube, providing flexibility to accommodate different procedural requirements.

Manufactured in Switzerland using advanced micro-engineering technology, the PM 1:1 Ext is fully sterilizable and built for long-lasting reliability. Its lightweight construction, quiet operation, and precise performance make it an ideal choice for dental laboratories, prosthetic finishing, polishing, and restorative workflows.

Key Features & Benefits

• 1:1 direct drive transmission

• Extended straight handpiece design

• Compatible with Micro-Series electric motors

• Smooth, vibration-free operation

• Quiet performance for enhanced comfort

• Secure locking-ring bur retention system

• Accepts HP burs (Ø 2.35 mm shank)

• Interchangeable sleeves with or without irrigation tube

• Ideal for laboratory, prosthetic, trimming, and polishing applications

• Lightweight ergonomic construction

• Thermal washer and steam autoclave sterilizable up to 135°C

• Swiss-engineered precision and durability

Technical Specifications

• Manufacturer: Bien-Air Dental

• Product Name: PM 1:1 Ext Straight Handpiece

• Reference Number: 1600052-001

• Type: Straight Handpiece

• Ratio: 1:1 Direct Drive

• Coupling: E-Type (ISO 3964)

• Bur Compatibility: HP Type Bur (Ø 2.35 mm)

• Speed Range: 100 – 40,000 RPM

• Torque Range: 0.4 – 3.5 Ncm

• Irrigation: External Irrigation (Optional Sleeve System)

• Motor Compatibility: Bien-Air Micro-Series Motors

• Weight: 82 g

• Noise Level: 55 dBA

• Sterilization: Up to 135°C Steam Autoclave

• Warranty: 2 Years