Brass Extension Nipple

1/2" x 100 mm 1/2" x 10 mm 1/2" x 15 mm 1/2" x 20 mm 1/2" x 30 mm 1/2" x 40 mm 1/2" x 50 mm 1/2" x 60 mm 1/2" x 70 mm 1/2" x 80 mm 1/2" x 90 mm