Frame and SOLID clip are made out of titanium, while the handle scale is crafted in different variations in terms of materials: from the titanium with FatCarbon inlays to the full-size Carbon fiber scale, Burlap Micarta or black G10. The entire handle is designed for a secure and comfortable grip. The titanium spacer matches the SOLID clip for the Ti-variations and the Carbon fiber while it is made out of G10 for the Burlap and black G10 handle models. All around the pivot area there are the Four manual opening options that can be chosen: back flipper tab, front flipper, nail nick and the classic “two hands”. Q4TTRO combines versatility and ease of use with exceptional functionality, offering a customizable experience to meet everybody’s preferences. The titanium spacer matches the SOLID clip for the Ti-variations and the Carbon fiber while it is made out of G10 for the Burlap and black G10 handle models. All around the pivot area there are the Four manual opening options that can be chosen: back flipper tab, front flipper, nail nick and the classic “two hands”.