Garage Door 3 Inch Heavy Duty Sheave Pulley (200 lb Load) (2 Pack) Heavy Duty, 200lb load rating 10,000 cycles 8ft. high door 6 solid rivets Maximum cable diameter: 3/16"

Garage Door 3 Inch Heavy Duty Sheave Pulley (200 lb Load) (2 Pack) Heavy Duty, 200lb load rating 10,000 cycles 8ft. high door 6 solid rivets Maximum cable diameter: 3/16" 3/8" bore