Mitchell female top plate and mitchell male bottom plate, each with (4) 1-1/4" receivers. This risers allows users to create a riser of their choice, simply by placing (4) pieces of pipe in to the receivers (pipe not included).
The Modern adjustable riser features a 7-3/4" Mitchell top plate as well as a 7-3/4" bottom plate. The top plate features (4) female key-way's. The bottom plate includes a Mitchell thread, Mitchell castlenut, as well as (1) male key-way.