STANLEY® 17 -24mm Self Adjusting Hook Wrench

STANLEY® 17 -24mm Self Adjusting Hook Wrench

STANLEY® 4-87-990 ratcheting wrench, black/yellow


  • Convex surface profile to prevent the nuts matting
  • Forged body construction delivers high torque
  • Innovative ratcheting and automatic sizing feature speeds up task completion
  • Large size bi-material handle for comfort and performance
  • One tool accommodates a wide range of fastener sizes
  • Ratchet effect grip spanner for very fast adjustment
  • Self adjusting eliminating the need to re-position wrench on the fastener after each rotation
  • Test me’ presentation card
  • Tightening and untightening without removing the spanner from the nut



Unfortunately, the warranty information cannot be retrieved for this specific product. Please review the information about our warranties.

Learn More


We take extensive measures to ensure all our products are made to the very highest standards but on the rare occasion that you need our help & support, we've got you covered. Just get in touch.

Support Manual