This item is sold in quantities of 10.

You are purchasing 10 extensions at a time.

1/2" Male x 1/2" Female Brass Sprinkler Extension (12.7 x 12.7 mm) compensates for a change in drop ceiling position or short drop nipple. Single piece of solid brass extends 1/2" (12.7 mm) NPT fire sprinklers 1/2" (12.7 mm). Total length of each piece is approximately 1.031".