General description YMYNY 12pcs M15 304 Stainless Steel Single Pulley Block is designed for efficient lifting and gliding. Made from high-quality 304 stainless steel, these pulleys are rust and wear-resistant, ensuring durability and reliability. The 360-degree rotating ring allows for easy rope handling, preventing knots and ensuring smooth operation. Technical specifications Size: M15 Wheel diameter: 15 mm / 0.59 inches Wheel width: 6 mm / 0.23 inches Swivel ring width: 11 mm / 0.43 inches Maximum load capacity: 77 lbs / 35 kg Total height: 60 mm Groove width: 6 mm Weight: 46 grams Suitable for rope diameters: up to 6 mm Usage The pulleys are ideal for a variety of applications, including lifting cables, tensioning curtains, industrial lifting, and working at heights. They utilize gravity and glide to lift, carry, or pull ropes or cables for both indoor and outdoor use, providing smooth gliding and efficient operation. Other information Package includes: 12 heavy-duty single pulleys