176 2.25″ Ball System BaseFeatures:Engineering-grade nylon and stainless steel constructionCompatible with all 2.25 Scotty ball system accessoriesEquipped with the classic Scotty 241 hole pattern, allowing it to be paired with these options:449 Portable Clamp Mount320 Adaptable Rail Mount242 Rail Mount Adapter340 Track Adapter441 Backing Plate341 Glue-On Mount Pad2028 Gimbal Mount Specifications:Type: Mounting BracketsBox Dimensions: 2″H x 7″W x 8″L WT: 0.7 lbsUPC: 062017001760