new tc4 titanium alloy finger tiger knife outdoor survival tactical combat edc multi function tool finger tiger bottle opener window breaker

material: tc4 titanium alloy thickness: 10.8mm total length: 11cm the blade length is: 3.5cm width: 3.7cm ring diameter: 23.4mm net weight: 85g others: with umbrella rope, waterproof packing box. function: it can be used as bottle opener, finger tiger, and also can be used to unpack express packages (the blade is thin, but it is not sharpened and does not cut hands)