Crosby McKissick UB500 Series Non-Swiveling Overhaul Balls

  • Sizes 4 tons through 10 tons available with Crosby’s S1316A “Positive Locking” SHUR-LOC® hook which may be used for lifting personnel. Meets OSHA Rule 1926.1431(g).
  • Design Factor 4:1.
  • Each ball can be equipped with the new McKissick® US-422T Wedge Socket which can be easily adjusted to fit various sizes of wire rope by changing the wedge (Ensure that correct wedge is used for selected wire rope size).
  • All hooks used on UB500 Overhaul Balls (S320, S320N & S1316A) are forged from alloy steel. The S320 and S320N hooks come complete with latches.
  • The S320 hook (PL latch) and the S320N hook (S4320 latch), with the proper latch attached, may be used for personnel lifting when secured with proper device (Bolt, nut and pin for the PL latch; Cotter pin for the S4320 latch). Meets OSHA Rule 1926.1431(g).
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Key to McKissick® UB500 Utility Overhaul Ball Model Number

UB500 Series Non-Swiveling Overhaul Balls Types

UB500 Series Non-Swiveling Overhaul Balls Specs 1

UB500 Series Non-Swiveling Overhaul Balls Specs 2




Crosby is the world leader in rigging, lifting, and material handling hardware. We set the standard for quality, training, and technical expertise in the field.

The Crosby Group was the first to:

  • Produce the forged wire rope clip (1880s)
  • Produce wire rope guards on sheaves that can be opened for easy reeving (1925)
  • Forge load rating (working load limit) directly onto product (1958)
  • Quench and temper fittings for more reliable performance (1973)
  • Forge Product Identification Code (PIC) into each product that allows traceability to its respective date of production and material certification (1977)
  • Rate products as Fatigue Rated (1991)
  • Forge patented QUIC-CHECK™ markings into hooks, shackles, and various other rigging products to assist users in determining proper use (1992)
  • Produce a crane block that can be reeved without removing the wedge socket from wire rope in the United States (1996)
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