The RWP-019-4X90T Series of 4-Side Vise/Vertical, manufactured by Raptor Workholding Products, is specifically designed as raptor nest tombstone mount. It can be mounted to the top of any of the fixtures of RWP-001, RWP-001SS, RWP-004, and RWP-013.
Moreover, this product uses (1) RWP-215 body plus (4) RWP-019SS. The RWP-019-4X90T is also made from a 7075 aluminum material.