Proto® J4921M Crowfoot Wrench, 21 mm Wrench, 3/8 in Drive, 42.8 mm OAL, Polished Chrome

J4921M MFG #: J4921M
$28.31 / BX
Estimated Delivery 7 to 10 Business Days
  • Manufacturer: Stanley Black & Decker
  • Measurement System: Metric
  • Wrench Opening: 21
  • Overall Length: 42.8
  • Drive Size: 3/8
  • Material: Steel
  • Finish/Coating: Chrome Plated
  • Brand: Proto®
Proto® Crowfoot Wrench, Measurement System: Metric, 21 mm Wrench Opening, 42.8 mm Overall Length, 3/8 in Drive, Steel, Polished Chrome
  • 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
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