52 Pcs Heavy Duty Cotter Pins Kit - Alloy Steel R-Clip Assortment, 6 Sizes Spring Fasteners with Locking Mechanism for Trailers, Trucks, Lawn Mowers & Industrial Maintenance

6-SIZE PROFESSIONAL KIT: 52pcs R-pins in 6 optimized sizes (M1.6-M3.5) Covers 99% applications: trailer hitches, lawnmower blades, truck suspensions & RV repairs. | Premium Alloy Steel Construction: Cold-forged for enhanced durability with zinc-nickel plating delivers 3X longer corrosion resistance vs standard carbon steel pins. | VIBRATION-RESISTANT RING LOCK: Patented double-loop design Auto-locks under 50kg vibration loads, zero accidental releases. | 3-SECOND QUICK-INSTALL: Bend-free operation Insert & snap! Remove with one-press release cuts repair time by 60%. | LIFETIME ORGANIZATION: Labeled compartment case Shatter-proof latches + transparent lid, resists oil/grease stains.