C-Clamp Base for Fly Tying Vise, Fits on 3/8 Shaft - FV2139 - Heavy Duty. Fit most fly tying vises which have a standard 3/8 shaft. Cast aluminum body with brass adjustment knobs.Clamps to surfaces up to 2 thick. If you are waiting for other of our auctions to be completed ending more than 24 hours later, please drop us a note. The item "C Clamp Base for Fly Tying Vise, Fits on 3/8 Shaft FV2139- Heavy Duty" is in sale since Sunday, August 30, 2015. This item is in the category "Sporting Goods\Fishing\Baits, Lures & Flies\Fly Tying Vises & Tools". The seller is "upstreamessentials" and is located in Liberty, Missouri. This item can be shipped to United States.