Pick A Color and Size ... These non-slip parts trays are used by military and civilian small arms armorers to keep all those pins and parts from rolling off the work bench and getting lost. Avionics technicians also use them to those tiny screws.

Small size Dimensions 

Internal: 5 5/8ths" X 3  5/8ths"

External: 6” X 4”  X 15/32”

Jumbo size Dimensions

Internal: 9 1/2" X 7  3/10ths"

External: 9 3/4” X 7 5/8th”  X 15/32”

These trays are barely used, just a bit dusty from being in the garage. Flat shipping no matter how many you purchase.