Semroc Balsa Reducer ST-13 to ST-20 2 1/8" Long SEM-BR-1320
Balsa Reducer is a precision sanded adapter to connect ST-13 series tubes to ST-20 series tubes.
length 2 1/8", 3/8" straight plus 1 3/4" long
Smaller ID: 1.3
Larger ID: 2
Precision Turned Balsa
Made in the USA