Single Blade Vapor 1640 Framelock Pocket Knife. Design by Ken Onion. 3-7/8 inches closed. 6-7/8 inches open. Made in China. "China" tang stamp. Stainless Steel handle and clip. Stainless steel blade etched "kershaw envirochem A Hidalgo Ouellet Co", and "KAI 1640 Vapor Design by Ken Onion".