The AllPoints Foodservice Parts & Supplies 22-1290 Control Knob & Dial features a 2-inch diameter design, crafted from durable black plastic. This knob is designed for easy operation with an off-on-sim functionality, making it ideal for various foodservice applications. It serves as a reliable replacement for TEC: SPCK (ICS item A2811), ensuring compatibility and performance. Upgrade your equipment with this essential component for enhanced control and efficiency.