Brand: AutomationDirect Item: Encoder coupling For Use With: JTEKT TRDA-2E series encoders Length: 22mm Body Material: Glass fiber reinforced resin Bore: 1/4in Attachment Style: Setscrew AutomationDirect encoder coupling, 1/4in bore, glass fiber reinforced resin body, setscrew. For use with JTEKT TRDA-2E series encoders.