Safe and convenient design - The wheel and shell are riveted, reducing the chance of slipping off. Built for sturdiness and reliable, safe operation. High quality materials - Shell: 316 stainless steel sheet provides anti-corrosion and rust-proof performance for sea water and harsh environments. - Wheels: Nylon wheels are light, corrosion- and wear-resistant, and resistant to aging. Compact specs - Diameter: 25 mm - Total length: 45 mm - Weight: 19.8 g - Maximum load: 50 KG 360° rotating ring - The rotating wheel of this single pulley lifting tool rotates smoothly 360 degrees to prevent rope and cable knots. Practical applications - Sailing and marine rigging: ideal for halyards and control lines on boats. - Home workshop or garage: convenient for lifting light loads up to 50 KG with reduced line jams. - Outdoor and DIY projects: suitable for camping setups or temporary line routing where smooth rotation is beneficial.