4280 Oak knob – largest Finish/Color: OakMaterial: OakDimensions: 2-1/2" dia.Size Options: Small |Medium| Large |Largest SKU: 4280-1922 Category: Knobs Other Than Brass Tag: Oak Description Description Round wood knob. Available in 4 sizes and in 2 woods: oak and walnut. Screw included. Largest. Oak. A substantial wood knob for traditional kitchens or large furniture. 2-1/2″ diam.