The Cornfield Telescoping Short Swivel Single Monitor Mount swivels at the base to adjust for sun glare or position. The Mount telescopes up and down and is height adjustable. Like The Cornfield Telescoping Short Swivel Double Monitor Mount the Cornfield Telescoping Short Swivel Single Monitor Mount can also be mounted on 3 different bridges whether it be the Bass Cat, Offset bridge or the bridge extender.Mount is CNC machined aluminum with black anodize finishMounting plate fits all graphs except Helix 7 sold separatelyFor aluminum deck boats, we recommend the use of the bridge under plates for a sturdy installationKit includes bridge adaptor plateAll bolts are stainless steel allen headDeck Mounting hardware not included3 bridge options to choose from:Bridge Extender - Mount is in the middle of the bridgeOffset Bridge - Mount is on the Port side or the Starboard sideBass Cat Bridge - fits Bass Cat Lynx 2020-2021