Scratch & Dent is sold as is, no returns or refunds. May have scratches in finish, machining defects in finish, color defects, or nicks in finish. CNC Machined Aluminum mount to hold your electronic units in place Stainless detents hold it where you put it and it stays Predrilled and tapped to fit most Humminbird, Garmin and Lowrance electronics. (WILL NOT FIT HELIX 7 MODEL) Helix 7 adaptor plate sold separately – https://cornfieldfishinggear.com/product/helix-7-adapter-bracket-for-gimbal-plates/ Four arm lengths to choose from 6” 8” 10” and 12” No More ALUMINUM KNOBS. Stainless steel bolts. Tighten them up with a 3/8 allen wrench. Once the bolts are tight, mount WILL NOT lose position. This mount works ideally on the deck. Deck Mounting hardware not included. Standard Allen wrenches required. Check out our different base plates and under plates sold separately on Electronics Mount -Plates page – https://cornfieldfishinggear.com/product-category/electronic-mounts/electric-mounts-plates/ Swivel your deck mount with our Swivel Mount Base Adaptor Assembly – sold separately – https://cornfieldfishinggear.com/product/swivel-mount-base-adaptor-assembly/ Manufactured and Assembled in the USA.