Six (6) 6D6 RCA vintage vacuum tubes, ST shape, made in USA,

tubes have metal ribbed plates, clear top, engraved base,

smoked glass, mica snubbers, tube tests: 70, 62, 70, 64, 68, 66 %

Scale 1-100, good quality percentage on my Triplett starts at 54.

Price is for all tubes pictured.