Cartridge Keeper. Can store 3 while attached to the shell. There are 2 holes in the base with 0.14 inch (3.5 mm) so you can fix it to the base with wood screws. This item is a head shell insert type that is inserted from the top so the head shell and the capsule will not be secured. Please note that it cannot be carried or laid down on its side. *Cartridge and head shell in the picture are not included. *Please be sure to attach the needle cover that comes with the cartridge when storing it. Product Size (W x D x H): 5.9 x 2.0 x 3.5 inches (150 x 50 x 90 mm); Made in China.