Description: brand new and with high qualityMaterial: Plastic + MetalThis elecric spark ticker timer widely used in physical electricity experimentGreat for physical teaching kitsLaboratary suppliesSize Chart:Spark Timer (L x W x H): Approx 15 x 6 x 4cm/5

91 x 2

36 x 1

57inchPackage Includes:1 Spark Timer Set