ProX ProX XT-BT12PVT Center Pivot Hinge Bolted Truss variable corner Articulating Block with one side connector MSRP: $499.99 MAP: $299.99
Galaxy-Stage Galaxy Stage GS34-C12 4-Pack of Half Conicals for Corner Blocks MSRP: $55.95 MAP: $34.99
Galaxy-Stage Galaxy Stage GS34-BC2W 12" Corner Block w/8 Conical Connectors MSRP: $509.95 MAP: $339.99