Check the listing for details. Yellow Car Keychain Safety Hammer For Broken Window Whistle Warning Help Escape. Condition: New, Made in China. Listed at 4.31 USD. Specifications: Product Name:Car keychain safety hammer Color:black/ blue/ red/ green/ orange/ yellow Material:ABS Size:75*15*35mm Packaging:OPP bag Weight:20g Functions: Broken window/ partition seat belt/ whistle warning/ help escape Features: The original 3-in-1 lifesaving compact emergency car safety tool:this emergency keychain hammer provides peace of mind to yourself and your family on the road in case of car entrapment. Can be used in various situations such as rollover, electrical system failure, car fire, floods, sinking car accident. Jammed seatbelt cutter:the razor-sharp, stainless-steel blade allows to cut a jammed seat belt in no time. Slice the seat belt diagonally for a quick and clean cut. Can be used multiple times. Pac.