Pratley Pratlok Nut lock Grade 6-10 (10 Grams) by Pratley Save 65% Original price $3.50 Current price $1.22 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Add to cart Medium Strength (Blue lid) Typically for M6-M10 nuts and bolts Allows disassembly using standard tools Use on nuts and bolts 10 Grams Information Leaflet Safety Data Sheet