Quadlock 4

 

Quadlock 4 is a 25 piece very difficult to take apart cube.   From 1992 to 1998 these were made with 7/8” Walnut, and Mahogany square sticks.  


In 2011 they are being made in a smaller size with .730  Walnut and Mahogany square sticks.  The new size is  2.9” x 2.9” x  2.9” (74 mm x 74 mm x 74 mm).


Designed by Jerry McFarland, 1992.