Twist Pack—Round telescopic protective packaging tube with "twistlock" length adjustment.Twistlock action holds contents securely in position.Hexagon end  preventsrolling.                                                                       
Sphere of application ---Ideal for all kinds of face milling cutters,three-edge milling cutters,milling head with big diameter,drills,shank tools, collet chuck and so on.   
  
Color in stock--- transparent.