Nitty Gritty is an Italian brand of pickling and passivation products. Its revolutionary and low-priced PICK &Amp, CLEAN and DEOX & FIT pickling and cleaning products give a shine to your welds. MSDS (Materials Safety Data Sheets) can be obtained by clicking the download box of your product specifications. You can also buy here the Clinox Power passivation machine together with the necessary accessories (Bomar, InoxFit, plugs, brushes, etc.) for the mass cleaning of your welds.