Profile: Liberty Glass and Metal, Inc. manufactures aluminum awnings, casements and Windows. We provide aluminum sliding windows and sliding glass patio doors. Our spring loaded die cast locks are located at the meeting rail. We offer cam handle lock, single handle lock, single arm roto operator, two linked roto operator & friction adjuster hardwares. Our single arm roto operator has a high pressure die cast zinc, crank handle and knob, hardened steel worm gear & gear arm.