10mm OD, 6mm ID threaded gear linkage with 6mm high performance Teflon lined rod end bearings, one left hand thread, one right plus locknuts.  Large offset gear actuator in aluminium alloy.  Available in lengths from 100mm to 360mm, specify when ordering.  The actuator is common for many modern motorcycles, but to make sure, please specify your bike make, model and year when ordering.