The RAILBLAZA StarPort is a unique and versatile mount however, if you need this versatility from a vertical surface but require a horizontal socket, then SidePort is the mount for you. The SidePort is suited for gunwales of smaller tinnies, vertical cockpit wells on kayaks and any other application where you have a vertical surface but need a horizontal StarPort. Takes only minutes to fit and sold with all necessary stainless steel fasteners. The SidePort is a fantastic mount and has great value for money. What You Get: 1 x SidePort 2 x 12-gauge x 32 mm self-tapping screws 2 x M6 x 35 mm machine screws, washers & nuts Construction Materials: SidePort AES (Acrylonitrile Ethylene Styrene) Locking Slide Polycarbonate Stainless Steel Fasteners For more information view the video below. IMPORTANT: Use of petroleum based lubricants on the StarPort slide will cause failure. Silicone based products are best suited (please check contents of lubricant before using). MOUNTING INSTRUCTIONS: Drill holes in the surface you are mounting your SidePort to Position SidePort into place Tighten nuts or screw heads to a firm tension Ensure you have adequate clearance behind the surface for screw and/or bolt penetration, and that no cabling, plumbing or rigging will be adversely affected View the whole range of RAILBLAZA accessories. Part NumberColourHeightLengthWidth RBZ-03-4014-11 Black 43.6mm 61.7mm 47.9mm RBZ-03-4014-21 White 43.6mm 61.7mm 47.9mm