White Plastic Cargo Edge ProtectorThis plastic corner protector has room to secure straps up to 4" wide. They are durable and sturdy, ideal for covering load edges from strap pressure and for cushioning tie-down straps from sharp load edges.These corner protectors are 41/8" wide and 51/4" long over the top and down the side. They are made of a hardy black plastic and come with a 41/2" wide slot on both sides - perfect to secure a tie-down strap up to 4" wide. The three open circles accommodate tie-down ropes and chains.Using an edge protector makes your load compliant with federal law.