Preheat 1.8cc anesthetic cartridges to exact body temperature for more comfortable delivery of anesthesia. Heats up to seven cartridges with 1°C digital temperature adjustment and readout. Use to prehead other cartridge delivery materials to any temperature within its operating range of 20°C to 60°C. Five holes accommodate standart 1.8cc anesthesia cartridges. 2 larger holes hold oversized cartridges or syringes if needed. Solid state heating unit with low power consumption allows for all-day use. 5-1/4"W x 3-1/4"D x 3"H.