Features：1. This bearing pulley wheel can fit most gym equipment parts.2. Made of plastic (PA), it is sturdy and durableSpecification：Material: Plastic (PA)Color: BlackExternal Diameter: 100mm/3.94"Inner Diameter: 10mm/0.39"Thickness: 24mm/0.94"Depth of Groove: 5mm/0.2"Package Included:1pcs x Pulley Wheel.
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