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Proto® Crowfoot Wrench, 21 mm Opening, 3/8 in Drive, Steel, Chrome

Product Data

KSCdirect Part #: PROTO J4921M
Description: Proto® 3/8" Drive Crowfoot Wrench 21 mm Open End
MFG Part #: J4921M
UPC: 662679160227
Supplier: Proto®
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Details

Description

Proto® Crowfoot Wrench, Measurement System: Metric, 21 mm Wrench Opening, 42.8 mm Overall Length, 3/8 in Drive, Steel, Polished Chrome

Features:

  • Locking hole to help hold crowfoot in place during use
  • Use with Proto® locking extensions to help prevent tool loss in awkward locations
  • Tight tolerance design to have a snug fit on fasteners
  • Open ends feature Proto® anti-slip design
  • Patented locking grooves help prevent the end from slipping off the fastener when turning
  • The arched surfaces are designed to spread the contact forces over a greater area
  • Loads are kept off the corners of the fastener which helps prevent fastener rounding

Standards/Approval:

  • ASME B107.21

Attributes/Specifications

Drive Size 3/8 in
Finish/Coating Polished Chrome
Material Steel
Measurement System Metric
Overall Length 42.8 mm
Wrench Opening 21 mm
Manufacturer Proto®

Supplemental Files

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