60mm Wide Built-in Double Axis Linear Guide Rail Isgb20uu-4 Shenzhen Shenhuaya Technology Co., Ltd. Base Info Description Pre：Miniature Deep Groove Ball Bearing for Artificial Jewelry / 624-2z/2RS/Open 4X13X5mm / China Manufacturer / China Factory Next：High-Speed and High-Precision Silent Roller Guide Rail Isgb20uu-5
