Specification:
New and high quality
Size：d=10mm, D=15mm, B=4mm
Model Number：6700 2RS Blue rubber cover
Material：Bearing steel,Blue Rubber Seals
Package Included：2Pcs

Note:
1. Due to manual measurement, please allow an error of 1-3mm.
2. As different computers display different colors, thank you for your understanding, the actual product color may be slightly different from the image.