Scotty Rail Mounting Adater f/ 222 and 224 Rod Holders 238 238. 222 and No. 223 rod holders. Works with a Triggerlock mount to clamp to 7/8" and 1" round rails Specifications for Scotty 238 Rail Mounting Adater f/ 222 and 224 Rod Holders: Manufacturer: Scotty Color: Black Package Contents: Scotty 238 Rail Mounting Adater f/ 222 and 224 Rod Holders Scotty 238: Rail Mounting Adater f/ 222 and 224 Rod Holders 238 Scotty 238: Rail Mounting Adater f/ 222 and 224 Rod Holders 238