The closed timing belt does not require additional end crimping and is easy to use. The opening timing belt, with steel wire, more durable and flexible. Smooth transmission, wear resistance, not easy to slip, low noise, shock absorption and good toughness. Application: Used as timing belt on stepping motor of 3D printer; used as timing belt on engraving machine, CNC machine tool, lathe planer, vacuum cleaner, laser, and other equipment. Application: Used as timing belt on stepping motor of 3D printer; used as timing belt on engraving machine, CNC machine tool, lathe planer, vacuum cleaner, electric skateboard, DIY toys, robot, laser, motorcycle and other equipment. Application: Used as timing belt on stepping motor of 3D printer; used as timing belt on engraving machine, CNC machine tool, lathe planer, vacuum cleaner, electric skateboard, DIY toys, robot, laser, motorcycle and other equipment. Application: Used as timing belt on stepping motor of 3D printer; used as timing belt on engraving machine, CNC machine tool, lathe planer, vacuum cleaner, laser, and other equipment.