MB78000 Klenk Stak-N-Tote Fittings Tote Tray, 10 Compartments MB78000 has 10 compartments to store fittings and small parts. Unique design allows easy access to parts even when trays are stacked Durable construction -- up to 50 lbs. load capacity. Organize your parts and fittings and save time and money on the job. MADE IN THE USA. Galvanized steel is strong, sturdy, and corrosion-resistant.