Designed Metal Connections manufactures the PermaLite tube fitting system which connects aircraft metallic tubing. Used on business/general aviation aircraft as well as large/regionals and military aircraft, it is designed to repair chafed tubing and pinhole leaks. The tube fitting system repairs aircraft fluid conveyance and distribution lines. Features include permanent repair; metal to metal seal; no welding or torquing; installs on aluminum, stainless, and titanium tubes; and lightweight swage tooling. For more information visit www.dmcusa.com or call (310) 323-6200.