Scotty 242 Rail Mount Adapter Black 0. For all Scotty post mount rod holders. Works with No. 241 side/deck mounts (not included). Includes: Stainless Steel Fasteners Specifications for Scotty 242 Rail Mount Adapter: Manufacturer: Scotty Length: 3.75 in Width: 1.88 in Color: Black Weight: 4.8 oz Application: Kayaking Features of Scotty 242 Rail Mount Adapter Fits 7/8 in 1 diameter round rail and 1 square rail For all Scotty post mount rod holders Works in conjunction with No. 241 Side / Deck Mount (not included) When using the 242 with a 1? square rail substitute 1/4 20 x 2? round head SS machine screws (not included) Package Contents: Scotty 242 Rail Mount Adapter Fasteners Scotty 0242-BK: 242 Rail Mount Adapter Black