Factor 55 Hitch Pins The Factor 55 high strength stainless steel hitch pins are available in 2 styles. Quick-Release or Locking. The locking style provides theft security when locking a ball mount or accessory to your 2 or 2-1/2″ hitch receiver. Both pin options have a grooved head for ease of handling, a 50,000+ lb shear strength, and proudly made in the USA. Specifications Fits 2-2-1/2" hitch receivers Quick-release or Locking Options 303+ High Strength Stainless Steel Construction (See above material spec photo) 3-1/8 inch span 5/8 inch diameter 50,000+ lb Shear Strength MADE IN USA Flush-style hitch pin secures your ball mount or accessory to your 2-2-1/2″ hitch receiver Compatible with late-model Toyota Tundra and Tacoma 2″ factory hitches 303+ High Strength Stainless Steel Construction Grooved pinhead is easy to grab Locking Pin features o-ring to protect internal components from dirt and grime Integral weather-resistant tethered dust cap to keep water and debris out of keyways Uses key to rotate lock in place - Sufficient hand clearance needed to rotate key 2 Keys included