The Microtech QD (Quick Deployment) Scarab line of dual action out the front automatic knives are built tough and built to last. These rapidly deploying knives are similarly sized to the flagship Microtech Ultratech however it offers wider handle scales and stronger spring action. The aluminum handle with incorporated grip tape inserts design slightly tapers in and then flares back out for a true ergonomic grip. Additionally, you will find bi-directional and multi-sized jimping patterns to offer a multitude of grip options. Each Microtech OTF knife has extremely sophisticated internal mechanisms which improve the overall operational functionality and reliability. This model, the 178-5, features a black handle complete with standard hardware and an integrated glass breaker function along with a drop point blade, that is partly serrated, in a satin finish. Made in the USA. Note: Blade material subject to change without notice. Also, certain models may come with vented slots near the ejection site on the blade depending on date of production--please reference the Navy Scarab for more information. SPECIFICATIONS: Blade Length: 3.5" Overall Length: 8.375" Blade Material: Elmax Blade Finish: Satin Handle Length: 4.63" Handle Material: 6061-T6 Aluminum / Grip Tape Weight: 4.2 oz.