Twotrees MGN9H 250mm Linear Rail Guide with Carriage Block,Linear Sliding Guideway with 1pcs Linear Bearing Sliding Block for 3D Printer and CNC Machine(H-Type,Black)

Features & details Features 【High quality materials】: Professional and technical steel rails and blocks for low-friction bearings, long-lasting and long- lasting.

【Several lengths available】: 250mm (10 holes）, 300 mm, (12 holes）, 350 mm, (14 holes）, 400 mm, (16 holes）, 450mm (18 holes）, 500mm (20 holes）, 550mm (22 holes Zum.

To connect the rail to the machine using M3 screws and nuts.

【Muti-using】: Made of Bearing Steel with low friction coefficientsUsed in devices for the manufacture of semiconductors, printed circuit boards, IC packages, medical devices, robot arms, precision encoders and other small linear motion devices.

【Easy to disassemble and install】: Hold the roller up during the disassembly process to prevent the ball from accidentally falling.