Material:Marine Grade 316 Stainless Steel,Surface Polishing. Size:4mm Quantity:10 Pcs Easy to attach, remove, reuse with hand tools. Suitable for all kinds of project hoisting machinery, metallurgy mining equipment, the port railway loading and unloading, forestry machinery, land transportation,and marine applications. It is recommended to use a larger diameter than the wire rope to facilitate installation, Manufacturer: Yetaha