A-dec Inc
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A-dec|W&H Electric Handpieces and Motors. Ultra-Smooth Performance.

A-dec|W&H electric handpieces deliver ultra-smooth performance. All the torque you need balances lightly in your hand. Get excellent access and reduced sound and vibration. With the A-dec EA-53 electric motor, you get one of the most compact and lightweight electric motors on the market.

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A-dec W&H 2 Year Warranty
Synea 500 electric handpiece

Synea 500 Electric Handpieces: Compact and Lightweight

At the leading edge of technology, Synea 500 electric handpieces give you a comprehensive range of high-speed and low-speed options.

  • Super compact and lightweight handpiece design provides the power of an electric in the size of an air handpiece (compact electric high-speed model)
  • Micro head design offers exceptional access and visibility (electric high-speed models)
  • 5 spray ports clear debris to provide an optimal view of the working surface (electric high-speed models)
  • Scratch-resistant surface is as sleek as the ultra-smooth operation

Try the Synea 500 electric high-speed handpiece (WK-93LT) with a free 5-day trial (U.S. only).

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Additional handpieces are available. See Synea 500 Electric Series for details.


Synea 500 electric handpieces work best with an EA-53 electric motor or any E-style electric motor.

EA-53 electric motor

Model WK-93LTS WK-93LT WK-56LTS WK-56LT HK-43LT
Handpiece Type Compact electric high-speed Standard electric high-speed Compact electric low-speed Standard electric low-speed Standard electric straight
Gear Ratio 1:4.5 1:4.5 1:1 1:1 1:1
Max Speed (rpm) 180,000 180,000 40,000 40,000 40,000
Chuck Push-button 1.6 mm friction grip burs Push-button 1.6 mm friction grip burs Push-button 2.35 mm latch burs Push-button 2.35 mm latch burs Twist-tension 2.35 mm lab burs
Light Yes Yes Yes Yes Yes
Head diameter (mm) 9.1 9.1 9.5 9.5 n/a
Head height (mm) 13.2 13.2 12.5 12.5 n/a
Head height (w 19 mm bur) 21.2 21.2 20.0 20.0 n/a
Weight (grams) 66 71 66 68 88
Length (mm) 87 96 87 96 96
Synea 400 electric dental handpiece

Synea 400 Electric Handpieces: Ultra-Quiet Operation

The one-piece unibody design of the Synea 400 electric handpieces results in reduced sound and virtually vibration-free operation. The ultra-quiet operation means comfort for doctor and patient alike.

  • Mini head design improves access and visibility
  • 3 times more power than air high-speed handpieces for exceptionally efficient cutting
  • 4 spray ports provide effective cooling and a clear view (WG-99LT)

Try the Synea 400 electric high-speed handpiece (WG-99LT) with a free 5-day trial (U.S. only).

Try Now

Additional handpieces are available. See Synea 400 Electric Series for details.


Synea 400 electric handpieces work best with an EA-53 electric motor or any E-style electric motor.

EA-53 electric motor

Model WG-99LT WG-56LT WG-57LT WG-66LT HG-43A
Handpiece Type Standard electric high-speed Standard electric low-speed Standard electric low-speed Standard electric low-speed Standard electric straight
Gear Ratio 1:5 1:1 1:1 2:1 1:1
Max Speed (rpm) 200,000 40,000 40,000 20,000 40,000
Chuck Push-button 1.6 mm friction grip burs Push-button 2.35 mm latch burs Push-button 1.6 mm friction grip burs Push-button 2.35 mm latch burs Twist-tension 2.35 mm lab burs
Light Yes Yes Yes Yes No
Spray Ports 4 1 1 1 1
Head diameter (mm) 9.5 9.5 9.9 9.5 n/a
Head height (mm) 14.5 13.5 15.5 13.5 n/a
Head height (w 19 mm bur) 21.7 21.5 22.2 21.5 n/a
Weight (grams) 74 68 70 68 77
Length (mm) 96 96 96 96 96
EA-53 electric motor and touchpad

A-dec EA-53 Electric Motor: Compact, Balanced, and Lightweight

One of the most compact and lightweight electric motors on the market, the A-dec EA-53 electric motor provides superior ergonomics with reduced hand and wrist fatigue. Vibration-free motor operation delivers unparalleled tactile feedback.

A-dec EA-53 integrated electric motor:

  • Seamless electric motor integration with the choice between single or dual motors
  • For high-speed, low-speed, and torque controlled rotary endo applications
  • Up to 16 programmable memory settings with the A-dec 500 deluxe touchpad
  • Requires A-dec 500 or A-dec 300 delivery system with deluxe touchpad
  • Works with A-dec|W&H or any other E-style electric handpiece

A-dec EA-53TT tabletop electric motor:

  • Add an electric motor with endo functionality to any delivery system
  • For high-speed, low-speed, and torque controlled rotary endo applications
  • Works with A-dec|W&H or any other E-style electric handpiece
Model EA-53
Applications General restorative, prophylaxis, endodontics
A-dec Delivery System A-dec 500/A-dec 300
System Compact E-style
Power (watts) 60
Speed - Standard Mode 100–40,000 min-1
Torque - Standard Mode (Ncm) 3
Light LED+
Length (mm) 31.5
Weight (grams) 57

Can I try A-dec|W&H electric handpieces?
Yes! You can try A-dec|W&H high-performance dental handpieces at no charge. Visit A-dec Handpiece Try & Buy to get started. Contact your local A-dec Territory Manager for an electric motor demo.

Are A-dec|W&H electric handpieces compatible with other electrics?
All A-dec|W&H electrics are E-style. Contact A-dec Customer Service for details on compatibility.

How can I repair my A-dec|W&H handpieces?
A-dec offers factory-authorized repair from technicians specifically trained to service your A-dec|W&H handpieces. Get details on A-dec Authorized Handpiece Repair Center services and pricing.

What is the price of an A-dec|W&H electric dental handpiece?
You can choose from different price points with different performance. Ask your local A-dec dealer about quantity pricing or bundled pricing when purchased with an A-dec delivery system.

How do I compare A-dec|W&H dental handpieces and motors?
Visit the A-dec|W&H Handpiece Advisor to compare handpiece models and find detailed product information.

Handpiece Try & Buy

Handpiece Try & Buy

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Dental Handpiece Savings

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Handpiece Advisor

Handpiece Advisor

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