Fixed plane for easy rope handling, smooth roller provides large rope traverse. Cylinder head rotating pulley is strong, durable, can rotate 360 degrees. Stainless steelDouble pulley suspended wire wheel trailer for boat motor fitness. Designed to be used with rope or string in indoor and outdoor application. Dragging pulley, lifting pulley. Light shock surface treatment. Package content: 2 * lifting wheel Extensive Using: Can be flexibly applied to camping, hiking, fishing, equipment gear, fitness, hanging wheels, mountaineering and so on. Stainless Steel: Mainly made of premium stainless steel material, the pulley block is also rustproof, and very durable for long using. Easy to Install: Comes with a compact size and a light weight as well, the pulley block enables the installation to be quickly finished . Any questions before purchasing or during use, welcome contact us, we will reply to you at the first time, thank you!