The K'ROO custom is a K'roo exclusive the Mac 3.5" closed, comes with a rwl34 blade and spring and is mill relieved. Pins,liners all ss steel, beanbag scales. With blanket micarta bolsters...red liners, spacers,double shields and pivot collar.With an extreme hi sheen, plus his signature filework Has a 5 pull,easy pinch open, half stop and gator snap. It has been polished ..backspring, bolsters..blade, unlike the earlier versions this one is much dressier. Comes new in a quality leather carry slip, with a COA. See COA in last pic for K'roo details on all materials used. SHIPS FREE USPS PRIORITY NEXT DAY AFTER PAY. lower 48 only. Please take a sec and view my other knives.