3-PIECE FLEXIBLE COUPLING HALF Brand new, 3-piece flexible coupling half. Ideal for connecting engines or electric motors to pumps, drive shafts, etc. A complete 3-piece coupling consists of two coupling halves from compatible series and one corresponding flexible insert. The following series jaw coupling halves can be interchanged; L-90 with L-095 and L-099 with L-100. Coupled length is the overall length of an assembled 3-piece coupling of the same series. Interchangeable with Lovejoy and Martin brands.