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Manufacturer : Proto
Accuracy : +/-3%
Brand Name : Proto®
Country Of Origin : US
Drive Size : 1/2 in
Finish : Full Polished
Standards : JIS B4650|NIST Certified|CW Certified
Product Status : Active
- Accurate to +/-3% of torque reading in both directions at 20 to 100% of full scale
- Industrial all steel or aluminum torque transfer components
- High alloy torsion drive design
- Dual scale (English/metric) with clockwise and counterclockwise operation - fewer wrenches need to complete job
- Memory needles are standard on all wrenches except electric light models
- Easy-to-read, high contrast scale
- Laser marked serial number for traceability
- Torsion drive design - accuracy not effected by hand position
- Electric light and buzzer on 1000 ft-lb and 2000 ft-lb models
- 0 to 50 through 0 to 1000 ft-lb dual reading


