[product Name]: AC02 Window Breaker Safety Hammer, Multi-function Safety Hammer [product Color]: Red [Product Size]: About 9.5*17.8cm [product Material]: Aluminum Alloy [Product Process]: Sandblasting + Oxidation Specifications: 1. Both The Elderly And Children Can Use It Without Much Effort 2. Special Safety Hammer For Broken Windows + Seat Belt Cutting, Ready For Danger 3. The Rockwell Hardness Of Tungsten Steel Reaches 65, Which Can Easily Cut Metal And Glass 4. Gun-type Spring, Clever Broken Window, Reusable 5. U-shaped Opening, Fingers Cannot Go Deep, Beware Of Scratches 6. The Size And Weight Are The Same As Car Keys, Simple And More Fashionable Package Included: 4*safety Hammer 4*glass 4*Instruction Manual