Derust Ws (De- Rusting Wet) Or Equivalent For Removing Heavy Rust Layers & Chips From Surfaces & Fins Of Lhb Wheel Brake Disc Note: 1)Chemical Should Be Special Hard Abrasive Almandite With Hardness Minimum 7 That Meet S Garnet Specifications Or Equivalent As Mentioned In Standard Rcf Specification Qmts-Ool Rev 01 2) Chemical Should N Ot Irritate An Operator Skin Or Respiratory System. [ Warranty Period: 30 Months After The Date Of Delivery ] ]