Masterdrive flexible jaw coupling. For use with 65 HP or less, rotating equipment. 2 1/4" bored to size. Interchanges with Lovejoy, Martin, T.B. Woods and others. Jaw couplings are sold individually and require 3 parts for the complete assembly. Order the appropriate coupling halves separately along with spider insert L225N for Buna-N or L225H for Hytrel. Coupling part number L225x2 1/4".