Help keep your toilet fresh with rim blocks and cistern sticks. They clean and freshen with every flush. For cleaning metal, loosening rusted nuts and bolts and lubricating, nothings beats the general purpose WD-40. Be sure to buy a can, you never know when it might come in handy. Cleaning your hands after work is also important. CRC Super hand cleaner can be used with or without water to remove most stubborn dirt and grime and grease.