The Ballast System includes two units capable of holding up to 15 lbs. (6.8 kg) each with a squeeze-style quick release buckle. Units will accept either hard block or soft lead pouches. The weight pockets include a unique strap arrangement that will distribute the weight to the diver s shoulders while on the surface. Allowing for easy donning of the IQ Pack or the Comfort II Harness on a back plate (see SKU s: OMSIQC, OMSIQ, OMSCH2SSPS or OMSCHS2). Sold as a set of two has stainless steel hardware, spring loaded swivel gate clips and Velcro closure inner pockets for added security. Rear 2 (5.1 cm) belt slide to reduce slippage. Ballast System is mounted in a horizontal orientation. Pockets are made from rugged 1680 denier cordura backed with urethane coating.