Fly Rod Reel Seat Black with Cocobolla Insert. Length: 3.75in O.D.: .650in I.D.: .363in Weight: 1oz Hood dia.: .829in Hood length: .355in I have some of these available with an ID of .412in. If you would like this seat with a larger ID please contact me first to see if I have any left in stock and I will be happy to send you one. *Measurements are an average of samples. Due to the unique nature of wood grains, no two reel seats are exactly alike and the product you receive may differ slightly from the one pictured. Thanks for your business! Please do not hesitate to contact me with any questions or concerns!