Check the listing for details. Marvel Schebler TSX Or Zenith Tractor Carburetor Choke Clamp. Condition: New. Listed at 13.99 USD. This is a Choke Clamp for Marvel Schebler TSX and Zenith tractor carburetors.Used on many makes and models of farm tractors and other applications. This part is NOT O.E.M. This is the new home of Marks Carburetor Parts, please see reviews here: https://www.ebay.com/str/markscarb Mark's Carb has over 20 years of experience selling carburetor, magneto, & distributor parts. We deal in IH Farmall, John Deere, Cockshutt, Allis Chalmers, Oliver, Minneapolis Moline, Case, Ford, Massey Ferguson, & Massey Harris. Some of the parts we carry include carburetor repair kits, floats, throttle shafts, throttle disks, choke shafts, choke disks, load needle assemblies, bushings, brass plug kits, jets, needle & seats, nozzles, nozzle caps, gasket sets, float bracket kits, bowl nuts, bowls, carburetors, choke return springs, choke levers, dust covers, venturis, idle needles, diaphragms, choke clamps, distributor caps, magneto caps, points, condensers, rotors, distributor parts, & magneto parts. We have many parts that are not listed so don't hesitate to ask along with any other questions you may have. Thanks!