The 650847 Knob-Cooking BLACK & Chrome Area For Bosch Appliance 5-PACK is a set of 5 black plastic knobs with chrome finish suitable for a Bosch appliance. Each knob is designed for countertop installation and is powered by electricity. The set includes knobs for conventional oven/stove use, with a capacity of 0.5 ft³ or less. Each knob weighs 0.4 oz and is designed for the Bosch 650847 model, made in China.