BuxiuGK 4 Piece 20 mm Single Pulley Block Heavy Duty Roller in 304 Stainless Steel Suitable for Rope or Cord Indoor and Outdoor Loading 75KG Silver

Material: 304 stainless steel,with great sturdy,Anti-rust,Wear-resistance and corrosion-resistant. Wheel diameter: 20 mm/0.78 inch，Total height: 75 mm/2.95 inch，Slot width:8 mm/ 0.31 inch. Can bear-loading up to 75KG,Package includes: 4 piece 20 mm Single Pulley Block. The Single Pulley Block can be rotated 360 degrees to prevent rope/cable/from knotting for convenient use. Single Pulley for numerous application: garage,machine loading,curtain,clothes line,dog pulley system etc.