23P4305 up for sale is a MICRO switch Jv-5 roller lever kit comes in sealed bag includes lever , two screws , two washers and two nuts to mount this to the small model 7632 V3-1 micro switch ( see our photos for an example of how this mounts to the switch , note switch not included with this sale just shown for example ) this is also used on the Rockwell brand material hardness testers this is covered under Rockwell part number 27134 , see our store we add new items like this weekly to our mix , thank you RWK