These accessory pockets may be added to your rig to increase weight capacity or to trim your orientation in the water. The part number includes 2 pockets. Available in two weight capacities depending on your trim weight requirements. Each pocket holds either 3 lbs to 5 lbs (1.36 kg to 2.2kg) of lead weight. The pockets will fit on all ModLock-equipped BC's. Pockets are easily used on the ModLock Connectors found on Outlaw, Rogue, and Omni to connect to the BC. The 5 lbs (2.2kg) pockets are recommended for use with the Aqualung Omni or Outlaw (see SKU's: UDRO, UDROCC, UDROL, UDROC, UDROLC). The 3 lbs (1.36kg) pockets are recommended for use with the Rogue, Omni, or Outlaw (see SKU's: UDRRC, UDROC, UDRR, UDRO, UDROCC, UDROLC). Non-releasable weight pockets have 3/4" (2cm) Airlock buckle closures to secure weights.