Specifications:

• 1: POM Wheel with Bearing
• 2: POM Big Wheel
• 3: POM V Wheel
• 4: POM Small Wheel
• 5: Perlin Pulley Wheel
• 6: POM Idler
• 7: Plastic wheels with bearing
• 8: Plastic Pulley Wheel with Bearing
• 9: POM Wheel
• Brand Name: TWO TREES
• Hign-concerned Chemical: None
• Item Type: BALL BEARINGS
• Model Number: with 625zz Bearings
• Origin: Mainland China