Slate Solutions H3101M RF2 / III+FEATURES Made with Ceramic and UHMWPE materials which are processed to create a lighter, thinner plate, high performing plate NIJ 0101. 06 Level III+, Model H3101M User friendly design fits the contours of the body for maximum safety and comfort Rugged, reliable, and stress fracture resistant Fully sealed to protect against liquids, chemicals, and harsh elements SPECIAL THREAT PERFORMANCE 5. 56 x 45mm (M193 Ball) 5. 56 x 45mm (M855 SS109) 5. 56 x 45mm