This spring assisted open folding knife from Mtech USA ballistic offers easy one handed deployment. Once open, the blade locks securely into place with the use of its liner lock. This knife features a 3.75-Inch, 3.5mm thick stainless steel blade. The blade also has a thumb stud for even faster deployment. The aluminum handle has a seat belt cutter and a glass breaker, which can be used to punch out the window of a car in an emergency situation making this a true rescue knife. This knife comes complete with a pocket clip for easy and safe carry. Measures 5- inches closed. MTech USA offers a diversified lineup of Tactical folding knives, fixed blade knives, archery products, and security items -- all at competitive prices.