RECORD STYLUS NEEDLE 853-DS77 53D 62D B3 63S for Tetrad T5HD plays 33 & 45 rpm
TETRAD 50D 51D 52D 53D 54D 55D 56D 57D 58D 59D 60D 61D 62D 63D 64D 50S 51S 52S 53S 54S 55S 56S 57S 58S 59S 60S 61S 62S 63S 64S C3 C3D C3S K1D T5HD TC8HO. Speeds:16, 33 & 45 RPM. Diamond. 7 x. 3 mil conical tip needle,TWIN : Both sides are LP.