Dome knobs made of solid brass. These knobs feature a grub screw recessed into the side, allowing them to be neatly and securely fastened to the pot shaft. Features: Model: dome knob. Finish: Diamond-Knurled. Material: Brass. Unit: Set = 2 pieces. Measurements l x w x h (mm): 18,1 x 18,1 x 18. Weight g/item: 23,5. Surface: Black Chrome