Made to fit neatly into Spectrum operation tubs or for use as a freestanding tray, Spectrum Operation Tub Inserts offer 10 seamless fluid-proof compartments. Prevent smaller items from drifting under dividers for better inventory control and reduced hassles. Perfect for use with tubes and plugs, impression tips, wedges and matrix bands. Thick, white molded plastic construction is steam and chemical autoclavable to 250°F. Measures 11 1/4" x 9" x 1 1/8"D overall. Longest compartment measures 7 3/4"L.