535mm (21") low density plastic handle assembled with a polycarbonate rod assembly. Certified grade 200 miniature ball visibly is enclosed at the end. The largest miniature ball that can be utilized is 3.50mm. Can be used to test any metal hazard detection system.
Each is Color-coded, imprinted with size, contaminant type, and Certificate of Compliance number. Certificates of Compliance are available free of charge.