4 M 35 x 42 mm Plastic Flexible Corrugated Conduit Tube for Garden,Office Black Tubing it protects your cables running

it protects your cables running from UV

Corrugated pipe design

Air cylinder is a mechanical devices which utilize the power of compressed gas to produce a force in a reciprocating linear motion

but only pulley here

4 M 35 x 42 mm Plastic Flexible Corrugated Conduit Tube for Garden,Office Black Tubing it protects your cables runningDescription: This corrugated tube is made of plastic, it protects your cables running from UV, abrasion and oil, etc.. Corrugated pipe design, flexible enough for your bending demands. NOTE: The wire wrap is closed, so the cables would not slide out. If the split wire loom tubing is needed, please open the hose with a scissor. Application: Widely used for the wire or hose protector in various of occasions, such as the electrical insulation, the