Yoliko 2 Pcs Heavy Duty Stainless Steel Cotter Pin R Clip Large Spring Retaining Wire Hair Pins Hitch Pin Clips Large Carter Pins for Trailer Pin Clips Lock System M5x100 keeper 4 inch Pin Keeper Pins

【Larger and Thicker】Large Size: 5mm wire diameter, 100mm length.The large size perfect for trailer hitch pins. Thicker than the original pin that came with the hand truck/dolly. 【High Quality Stainless Steel】R clips retaining pins are made of high quality 304 stainless steel. Good elasticity, smooth surface without burr. no burr, rugged and durable.High hardness, rust resistance, stainless steel material, suitable for indoor, outdoor and high temperature, high salinity working environment. 【Strong Elastic Hairpin Design】Because of a strict metal composition and consummate casting skill, the hitch pin clips have high hardness and strong spring tension. The pin will not be easily removed when the clip is in place. Furthermore, once these are in place they last. Hairpin design: fast, Safe and effective locking bolt, uniform force, not easy to slip, used to prevent relative travel, will not fall off, easy installation and disassembly, reusable. 【Sturdy and Handy】Great clips,heavy weight enough. Even when you suspend a heavy RV by these, they won't shear or break, no matter how much they are pulled, yanked, twisted, or jerked. For tow bar and for other equipment around our farm. Perfect for lawn mower tire or riding mower and carts. 【Perfect cotter pin replacement】Replacing hitch pins on most equipment that came with weaker pins， essential for trailer ball pins，dolly pins，keeper pins， retainer pins hitch，hand truck pin replacement，tractor cotter pins，trailer pin clips，hand truck pin replacement. Applicable to all kinds of machinery, tractors, farm equipment, engines, trucks, cars, camper vans, lawn and garden equipment, etc. You can upgrade all your tractor and truck hitches.