Super Rust Remover is a multipurpose penetrating oil with 7 functions: rust remover, protecting, lubricating, water-repellent, anti-freezing, degreasing, dielectric. It dissolves rust, crusts, limescale and salt deposits, quickly unblocking bolts, screwes, nuts, hinges, bearings, locks and all mechanical parts. It does not damage metals or rubber and it performs a useful lubricating and protective action. Without trichlorethylene for a safer environment and user. Military specifications: MIL-C-23411 MIL-C-16173- DEF STAN 68-10/2 NATO C-634.