• Material: Black plastic • Size: Fits .250" dia. 'D' Shaft; 1.61" OD x .85" tall • Fits: Thermostat and Timer • Model(s) This Part Fits: 1730M, 1730MK, 2340M, 2340MK, 2540M, 2540MK, Henry Schein Dental, L & R, Ney (Dentsply), Patterson Dental, Valueklave (1730 MKV)