Item Type: Anchor Roller Material: 316 Stainless Steel + Nylon Function: For ship anchor lifting. Roller Slot Width: Approx. 32mm / 1.26in Bracket Width: Approx. 50mm / 1.97in Positioning Hole Size: Approx. 6.5mm / 0.26in 1Anchor Roller: The roller can easily raise and lower the anchor without damaging the upper part of the hull. 2Good Material: The bracket with polished surface is made of 316 grade stainless steel to withstand seawater. 3Practical Use: Can handle wires up to 1 inch in diameter and chains up to 3/8 inch in diameter, very useful. 4The Parameter: Comes with 32mm roller slot width, 50mm bracket width, and 6.5mm positioning hole diameter. 5Easy to Install: Designed to have a light weight and a compact size, the installation is very convenient.This product is made of stainless steel, and needs regular inspection and maintenance during use.1 x Anchor Roller