High quality rollers designed universally for easy mounting on most bows and bow planks Constructed from stainless steel AISI316 with a low profile design Dual rollers for self launching operation Best suited for Delta/Wing, Salt Gear XR, Salt Gear TPX, Mantus, Manson Supreme, Rocna, Fortress FX, and Fortress Guardian style anchors The Salt Gear Fixed Head Anchor Roller is a high quality bow roller designed for easy mounting on most bows and bow planks. It is constructed from stainless steel AISI 316 with a low profile design. The dual rollers, allow for both self-launching and smooth parking of your anchor. These anchor rollers are best suited for Delta/Wing, Salt Gear XR, Salt Gear TPX, Mantus, Manson Supreme, Rocna, Fortress FX, and Fortress Guardian style anchors .