.The magnetic cartridge helps to prevent sliding off ferrous surfaces, The kit includes applicator and storage cover The 200 gram kit will out last many cans of aerosol spray The kit is made in USA with 99% pure crystalline nonreactive stable graphite powder, no carcinogenic carbon powder has been added . Graphite powder does not cause paint reactions or adhesion problems, It is less messy and cleans up easily with soapy water (wet sand with plain water). Because it is pure graphite it can can be painted over without removing every trace of the powder