Whitecap Rod/Cup Holder - 304 Stainless Steel - 0. No backing plate needed. Open bottom with threaded insert for pipe/hose barb installation. Includes pin for locking rod in place.Features:304 S.S. 0 Rod/Cup HolderMaterial: 304 Stainless SteelRod Holder Degree: 0Cupholder O.D.: 4-3/4"Depth: 2-1/2"Cut-Out: 4" Specifications for Whitecap Rod/Cup 304 Stainless Steel Holder: Manufacturer: Whitecap Color: Stainless Fabric/Material: 304 Stainless Steel Package Contents: Whitecap Rod/Cup 304 Stainless Steel Holder Whitecap S-0627C: Rod/Cup Holder - 304 Stainless Steel -