※ 玻璃纖維增強尼龍材質本體。 ※ SUS#316 不銹鋼彈簧及防磨線。 ※ 上下雙圈得林材質滾珠。Master cleats has a wide range of cleats fversatile configurations.Aluminum cleats are Hardkote–Anodized,especially designed fhigh loads.Available in Small,Medium and Offshore.Composite model are Light–weight and strong.Available in Small and Medium.