◆ Outer diameter 8mm, inner diameter 3mm, length can be selected as required.

◆ Product material: brass

◆ Product process: soldering

◆ Unit of quantity: root

◆ Length unit: mm (millimeter)

◆ Copper bushings at both ends (Usage features: bearings need to be maintained every time, otherwise they are easy to rust and jam the shaft, but copper bushings do not have such problems. Just fill the sleeve with lithium-based grease before use.)