These indicator handwheels feature a solid design and include a revolving handle. Note that the dial indicator must be ordered separately. Center caps are available for applications without an indicator. Handwheels have a reamed hole in the hub for direct mounting onto a machine spindle. Installs easily by tightening the setscrew. Silver-grey handwheel is made from aluminum with a baked finish. The black handle is made from polyamide plastic.