Check the listing for details. Anodization Aluminum Alloy Handwheel 5mm Bore 40mm OD Knurled Knob, Black. Condition: New. Listed at 17.54 USD. Material: Aluminium alloy handwheels with anodized finish, ensuring durability and resistance to wear, corrosion, and prolonging lifespan.Design: CNC precision machining, precise dimensions and exquisite workmanship. The outer diameter is textured and embossed, giving it a good feel and high torque. The arc chamfer design is beautiful and feels good in hand. The arc chamfering of the inner hole is more convenient for shaft hole installation.Exquisite Handle: Smooth, burr-free surface on handles with double top wire fixing for added stability, also easy to operate, efficient and labor-saving with our wrench.Application: Our handwheels suitable for use with lathes, milling machines, drilling machines, slide displacement platforms, stepper motor fine adjustment handwheels, and industrial valves.