Our linch pins are manufactured in marine grade stainless making them particularly usefull for marine use. Because of the abrasive nautre of linch pin uses, stainless also gives benefits for any items used outside, where corrosion free benefits will be felt. These linch pins are designed to retain an item on a shaft - such as a wheel. They can be used on Trailers, diggers, motorcycle stands etc. They have a lock ring mechanism that springs into place, holding the pin in situ. Sizes available are : 4.4mm diameter pin with a pin length of 45.2mm, 6mm with a with a pin length of 50.2mm, 7.4mm with a pin length of 49.1mm, 10.6mm diameter pin - with a with a pin length of 45.9mm