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Proto

Model # :WBB943552

MPN #: J7728H

Proto J7728H 3/8" Drive Deep Impact Socket 7/8" - 6 Point

Product Description
Proto® 3/8" Drive Deep Impact Socket 7/8" - 6 Point

  • Proto® 6 Point Impact Sockets are ideal for use on stubborn or damaged fasteners, and also on fasteners made from soft materials.
  • The TorquePlus™ design is a high performance drive configuration which allows for quick and easy socket engagement to the fastener flats, not the corners.
  • The TorquePlus™ configuration employs a radius-corner design, shifting contact area and stress away from the fastener corners and distributing contact stresses over a large area of the socket, minimizing slippage.
  • The TorquePlus™ internal design minimizes fastener rounding, helps to extend fastener life, and allows the user to more easily turn worn, rounded, or rusted fasteners.
  • Socket size stamped on tool for easy identification.
  • Side locking hole.


  • PRICE
    $14.25

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    Weights & Dimensions

    Length2-3/4 in
    Socket Depth StyleDeep
    Nut End Outside Diameter1-9/32 in
    Bolt Clearance Depth2-1/8 in
    Drive End Outside Diameter1-9/32 in
    Size7/8 in
    Opening Size Range25/32" to 7/8"
    Opening Size7/8 in
    Nut Depth13/16 in
    Drive Size3/8 in

    Product Details

    TypeImpact Socket
    Measuring SystemSAE (Fractional)
    ColorBlack
    Socket/Wrench Points6
    Impact ApprovedYes
    Manufacturers Part NumberJ7728H
    BrandProto