Specification: Size: M25; Wheel Diameter: 25mm; Groove Width: 11mm; Eye Diameter: 15mm; Total Height: 85mm; Weight: 112g; Max Load: 150kg - Durable, strong, reliable, waterproof, anti-rust, anti-high temperature, corrosion resistance. - With swivel hanging eye ring on the top. Sturdy and Durable: Delicate technology, solid design, durable and wear-proof, strong load-bearing, swiveling flexibly. Pulley System Block And Tackle DasMarine 2 Pack Single Pulley Block In 304 Stainless Steel Crane Swivel Hook Single Pulley Roller Loading (M25 Pulley Wheel Double Pulley Package Content: 2-Pack M25 Stainless Steel Single Pulley Block - For use with rope in indoor and outdoor application. Specification: Size: M50; Wheel Diameter: 50mm; Groove Width: 13.5mm; Eye Diameter: 20mm; Total Height: 95mm; Weight: 368g; Max Load: 400kgHigh Quality: Made of stainless 304 Block DasMarine Blocks - 2 Pack M25 Single Pulley With Type: M50 Double-Pulley Block, fit for rope within 10mm. · High Quality Material: 304 Stainless steel, durable, strong, reliable, waterproof, anti-rust, anti... Designed for hanging weight items to lighten loads. · Ideal for both indoor and outdoor applications. · Features a swivel hanging eye ring for flexibility. · Made...