The Leatherman Free K4 knife was introduced in 2019. It has a sturdy ribbed body, a large one-hand opening blade, and 4 fold-out tools in the handle. It's pretty much one arm from a Free P4.
Size & Weight: The Leatherman Free K4 knife is 115mm (4.5") long, 30mm (1.2") wide, and 15mm (.6") thick. It weighs about 139 grams (4.9 oz).
Colors: The Free K4B comes in a ribbed black aluminum body.