uxcell 10pcs Black Plastic 16mm Diameter Snap in Type Locking Hole Button Cover 16mm x 20mm x 10mm Product Name : Locking Hole Cover;Type : SKT-16 Mount Type : Snap in;Panel Hole Dia : 16mm/0.63" Head Dia : 20mm / 0.8";Height : 10mm/0.4" Material : Plastic;Color : Black Weight : 10g;Package Content : 10 Pcs x Locking Hole Cover