Groove Pulley Wheel For Rope Wall Mounted 2 Pack Stainless Steel Super Silent Cable Pullys Wheels System U Type Blocks Rollers Detachable Duplex Bearing 7e4a3ec4 Dee5 4f83 A86d 10d485867616.7d8eaea7d9d6651abf73ea6749b67a8b At the same time, it can also effectively reduce the heat generation of the rope Can be used for shoulder arm exercise fitness equipment. 1-Pack V-Type Stainless Steel Pulley Block Mute Bearings Groove Sliding Roller Track Wheel Description High-Quality Materials: The pulleys are made of stainless steel, and the ball bearings are made of high hardness bearing steel. Two Ball Bearings: Each pulley has two bearings made of bearing steel. This allows the pulley to rotate more easily and quietly. Number of Product: 2 Pcs Pulley. High-Quality Materials: The pulleys are made of stainless steel, and the ball bearings are made of high hardness bearing steel This allows the pulley to rotate more easily and quietly. Kipika Wall Mounted Multifunction Cable Pulley System Gym 6 1024x1024 Number of Product: 2 Pcs Pulley