uxcell 50Pcs Silver Tone LED Mount Holder Cases for 10mm Light Emitting Diode Product Name : LED Holder;Fit LED Diameter : 10mm Thread Diameter : 12.7 mm / 0.5";Total Length : 18.7 mm / 0.74" Material : Plastic;Color : Silver Tone Net Weight : 73g Package Content : 50(+/-2) Pcs x LED Holders