Take your beadwork to the next level! Bead annealer allows you to anneal intricate glass sculptures and beads that would be impossible to anneal in an open flame. Features a programmable digital controller to control the rate of annealing (cooling). Opening is 16" wide and 4-1/2" high; interior measures 16" wide x 4-1/2" deep x 6" high. 120 volts; heats safely to 1100 degrees F. Manufactured by Jen-Ken. One year manufacturer warranty.