1STRONG MATERIAL: The pulley is made of excellent alloy steel material, long lasting, rust proof, erosion resistant, with high stability, you can use with confidence 2FIRM AND CONVENIENT: Single pulley is firm, possess strong bearing capacity, goods will not fall off, convenient and long lasting, useful and practical 3APPLICABLE SCENARIO: Single pulley roller is widely used in the ground extension of rope, the production and construction of electric power building, the machine installation of dock warehouse, and the lifting of goods 4FIRM AND RELIABLE: Single pulley snatch block adopt high working load design, light weight, firm, efficient, possess reliable performance, suitable for various industrial applications 5WIDE APPLICATION: Single pulley lifting crane support simple operate and easy control of lines on the boat, commonly used in construction, manufacturing, and other industries where heavy lifting is required 1 xSingle Pulley Roller