The Star Mfg Y9-70701-16 thermostat knob provides a manual interface for adjusting temperature settings on compatible commercial range equipment. It mounts onto the thermostat control shaft and turns to select the desired heat level. The marked temperature range of 100°F to 450°F gives operators a reference when setting cooking temperatures. Its function supports routine control of range heat during food preparation. Before ordering, compare the part number, temperature markings, and mounting