REC "AUS" Black Aluminum Reel Seats, Same dimensions and features as the REC NSUS except in machined, anodized aluminum instead of nickel silver. Features a finely knurled nut, slide band and a fixed hood. Recommended for #3 - 7 weight fly rods. Diameter: 0.72", length, 3.6". .375 bore with an optional .421 bore. Choose impregnated rosewood or impregnated chestnut colors or natural cocobolo, birdseye maple or buckeye burl wood inserts. Please specify wood insert and insert bore.