THIS IS THE CRKT ROLLOCK BLACK.  3 1/2" CLOSED "SLIDING FOLDER".  AUS-6M STAINLESS BLADE.  TRANSLUCENT BLACK POLYCARBONATE HANDLES WITH STAINLESS POCKET CLIP.  UNIQUE OPENING AND CLOSING SYSTEM.  TO OPEN, PRESS THE BASE OF THE BLADE AND SLIDE THE BLADE OPEN.  TO CLOSE, PRESS THE BLADE LOCK, LET THE BLADE SLIDE BACK, AND PULL BACK UNTIL IT LOCKS CLOSED.  A STRONG SPRING KEEPS THE BLADE CLOSED.  ALLEN ELISHEWITZ DESIGN.  COMES W/ORIGINAL BOX.