J7503
1/2 in. Drive 3 in. Locking Extension
PROTO J7503 black impact socket adapter on white background, showing knurled grip and square drive end.
Photo of PROTO J7503 black impact socket adapter with knurled grip on white background.
J7503

1/2 in. Drive 3 in. Locking Extension

  • Solid one-piece design helps prevent the locking components from becoming loose or disengaged
  • Patented locking feature locks sockets to the extension with exceptional force
  • Knurled shank provides a slip-resistant grip when hand-turning the extension

Additional Features

SKU Product Name Overall Length [in] Product Weight [lbs] Purchase
J7503 1/2 in. Drive 3 in. Locking Extension 3 0.34
J7505 1/2 in. Drive 5 in. Locking Extension 5 0.57
J7510 1/2 in. Drive 10 in. Locking Extension 10 1.04

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