uxcell 5 Pcs 25mm Head Diameter 5mm Male Thread Grip Star Knobs Black Product Name : Star Knob;Type : Screw on;Head Diameter : 25mm / 1" Thread Length : 20mm / 0.78";Thread Diameter : 5mm / 1/5" Total Height : 38mm / 1.5";Material : Metal & Plastic Color : Color;Silver Tone & Black : Silver Tone & Black Weight : 58g;Package Content : 5 x Star Knob