uxcell 100 Pcs SKT-30 Insulated Snap in Blank Locking Hole 30mm x 35mm x 11.5mm Product Name : Locking Hole;Type : SKT-30 Mount Type : Snap in;Panel Hole Dia : 30mm/1.2" Head Dia : 35mm / 1.4";Height : 11.5mm/0.45" Material : Plastic;Color : Black Weight : 285g;Package Content : 100Pcs x Locking Hole