520mm(20.5’’) Anti-Noise Aluminum Swivel Ring SMWP520
- The separation of one by one ball bearing construction ensures a most perfect smooth, quiet glide with every turn.
- With long time reliability and durability.
- 360 degree easy rotations.
- Light weight & resistant to abrasion.
- Filled with carbon steel pre-lubricated ball bearings and anti-friction plastic strip.
- Equipped with removable non-skid rubber pads.
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