Salmon River Solutions SRS TAC Table Black. Its got multiple strap options for attaching a bag to it. It has a 4'' arca rail attached to the underside. Specifications for Salmon River Solutions SRS TAC Table: Manufacturer: Salmon River Solutions Color: Black Features of Salmon River Solutions SRS TAC Table Arca 1/4-20 Tapped Holes Package Contents: Salmon River Solutions SRS TAC Table Salmon River Solutions 1139: SRS TAC Table Black