5-Axis TopAll our 5 Axis tops have mounting holes for the various SEB rests, and the Farleys. Our base plate can also be mounted to the center post on the Sinclair rests as well as most other post type rests. You will only need to choose, from the drop down menu, which type of top blocks you need. There are three choices. Our T3 Felt lined blocks are standard and feature our new patent pending technology. This torque taming technology works to greatly reduce