The Factor 55 high strength stainless steel hitch pins. 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. Fits 2 and 2-1/2 inch hitch receivers 303+ High Strength Stainless Steel Construction 3-1/8 inch span 5/8 inch diameter 50,000+ lb Shear Strength MADE IN USA Features: Flush-style hitch pin secures your ball mount or accessory to your 2 or 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 2 Keys included