The AllPoints Foodservice Parts & Supplies 221586 is a set of two durable knobs designed for toasters. Each knob features a set screw for secure attachment and measures 25/32" in diameter with an outer diameter of 1-3/4" and an inner diameter of 1/4". The set includes four washers and set screws, along with an allen wrench for easy installation. Crafted from black plastic, these knobs provide a reliable and stylish solution for your toaster maintenance needs.