Designed by Frans de Vreugd 2005, purchased from Mr. Puzzle Australia.
level 5, 3 hole, notchable, six 2x2x6 pieces with end caps.
(Queensland Silver Ash with Queensland Blackbean ends, 3.125")

A variation of the standard 6 piece burr where end caps have been added to the pieces; highest level for this type of burr with notchable pieces. Here is a diagram of the puzzle and the pieces (numbers are the order they can be removed):