Protech Runt J4 4451 Automatic Knife Tuxedo Ivory Micarta Satin Blade. This has been brought out of our safe. It was made in 2006. Marked on the back Runt J4 2006 F.P This is a Peter Kellet knife that is overall open length 5.27 inches with 1.94 inch drop point satin blade. F.P.R. s/n 33 comes with a tip-down carry pocket clip. A great every day carry knife. Made in the USA.