YYST 2 X 25mm Stainless Steel Pulley Block Kayak Anchor Trolley Kit Two Pad Eyes Free 2 stainless steel pulleys and 2 pad eyes Type - Fixed pin . Unable to remove. Made of stainless steel 316 and nylon. This pulley block is the ideal water sports accessory suitable for not only sailing but for Kayaking Canoeing and other water sports. It is suited for rope diameter up to 6mm.