PROTO, Industrial Tools

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Blackhawk™ by Proto® 3/8" Drive Micrometer Torque Wrench 20-250 in-lbs

ITEM #:39825-A

Features and benefits

  • Ball bearing-mounted release mechanism eliminates accuracy variations between slow and fast loading.
  • Color-coded English and Metric markings.
  • Comfortable, secure ergonomically designed grip.
  • Desired torque value is pre-selected by use of a micrometer type scale.
  • Positive locking mechanism helps prevent accidental changes in torque values.
  • When exact torque level is reached, wrench releases with an audible "click".
  • Wrench resets automatically to same torque setting.


Drive Size [in] 3/8
Increments [In Lbs] 1
TorqueRange [In Lbs] 20-250
Torque Range [Nm] 3.61-29.03
Increments [Nm] .11
Width [in] 1-19/32
Height [in] 1-3/8
Weight [Lbs] 1.89
Style Micrometer
Specification ASME ASME B107.14M
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