Pratley Pratlok Grade 0-6 (50 Grams) by Pratley Save Liquid error (product-badge line 32): -Infinity% $12.50 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Add to cart Low Strength (Purple lid) Typically for screws in the 0-6mm size range Prevents loosening due to vibration Seals the thread and retards corrosion 50 Grams Information Leaflet Safety Data Sheet