Save time building all those switches knobs and dials you need for products, included in the bundle are flat concave and convex push buttons and dials, tear drop switches with threads and locking nuts, rocker and slide switches. Spring loaded panic/emergency stop button and covered safety switch. Built in 3DSMax 2015 with Open SubDiv for LOD control, 3DSMax 2012 with TurboSmooth, FBX & OBJ