EK-Quantum Velocity PreciseMount is a universal mounting mechanism for EK-Quantum Velocity CPU water blocks that offers error-preventing, tool-less installation. The result is a fast and easy installation with the perfect amount of pressure, resulting in outstanding performance.Enclosed:- 0.8mm polyamide washers (5 pcs)- M3 threaded thumbscrews (4 pcs)- Springs (4 pcs)- M3 threaded thumb nuts (4 pcs)- LGA-2011 M3 threaded mounting studs (4 pcs)- Additional jet plate J2- Allen key 2.5mmAll enclosed screws and nuts are made of high-quality nickel-plated brass.