Professional manufacturing, do not need to be replaced frequently, it is very safe to use. It is a universal replacement part for pallet rack, safe and reliable, and an indispensable accessory for DIY shelving project. It can match well with shelving projects of various colors. Features -Color:Silver -Material:Iron -Size:3.50X2.00X1.10cm/1.38X0.79X0.43in - A reliable solution is provided for ensuring stability and safety with the locking pin insert bolt. - The construction of the bolt offer good use for daily. - The sturdy locking pin insert bolt provides maximum support and security for heavy-duty shelves. - The installation process of the bolt is easy and can be done by both professionals and diy users. - This universal pallet rack drop pin allows for heavy duty storage needs. Package list: Safety Pin Bolts