Replacement 6 Pt. Mega Ratchet Suspension for Omega II Hard Hats, Lot 12 Quantity: 1 Mega Ratchet Replacement Suspension. Fits Omega II and Omega Full Brim Safety Helmets Features Easy Turn Knob. Adjusts from Head Sizes 6 1/2 -8. Comfortable Impact-Absorbing 6-Point Woven Nylon Suspension.