Gun vault Nano vault handgun safes. Lock-down protection has never been so affordable. Strong, slim, and highly protective, Nano vault pistol safes fit discreetly in a bag, briefcase, desk, or under your car's seat to provide security and easy access. 3 models to choose from... each with 1 1/4"-thick memory foam and heavy-gage steel construction. All Nano vault models meet TSA firearm guidelines, so they're perfect for the carrier who travels. Each includes a 1,500-lb. Security cable. Key lock mechanism. Exterior measures 1½" x 6½" x 9½". 18 gauge steel construction..