The Formula-1 Acrylic Mounting System was developed to outperform all other Acrylic Systems on the market, with a combination of a 10-15 Minute Cure Time, the Best Adhesion/Lowest Shinkage Rate, Highest Clarity and the Lowest Exothermic Temperature at 160 Degrees F. Formula-1 is the only system that offers a Standard Mix and a No-Mix Method for the Best Hole and Crevice Filling. The FMK-5 Kit comes complete with 5 Lbs. Powder, 2 Qts. Liquid Hardener, 5 ea. Plastic Molds and Mixing Supplies