Mechanics Tool Set in Modular Foam Trays with Storage Unit – 194, Limited Lifetime, (1) 20.25″ L x 13.5″ W Standard Large Foam Storage Tray (Height Minimum 1.25″ – Maximum 2.5”), (2) 10.125″ L x 13.5″ W Standard Small Foam Storage Trays (Height Minimum 1.25″ – Maximum 2.0”)