Swagelok SS-12M0-C gaugeable 316 stainless steel tube fitting — cap, 12 mm tube OD. Body in 316 stainless steel with the Swagelok two-ferrule (back-ferrule/front-ferrule) mechanical grip end connection for a leak-tight, gaugeable connection that closes an unused tube end on instrumentation and fluid-system tubing. End connection: 12 mm Swagelok tube fitting. Bored through: No. Supplied with Standard Cleaning and Packaging (SC-10). Working pressure and temperature ratings are determined by the selected tubing per Swagelok catalog MS-01-140; use with correspondingly sized, fully annealed 316/316L stainless steel tubing.