This is the Aqua Lung Surelock Weight Pouch 10 OR 16 lb Weight Capacity

Features:

• Easy to load design
• Remains secure until you want to release it
• Sure-Lock II Weight Pockets align themselves easily: Insert the pocket until it clicks
• Simple single-pull release to jettison weights in an emergency
• Use with soft or hard lead weights
• Construction: Durable nylon and impact resistant plastic
• Multiple weight capacities
• 10 lbs. (4.5 kg) two-weight capacity
• 16 lbs. (7.26 kg) four-weight capacity
• Taped and sewn edges add strength and durability
• 16 lbs. (7.26 kg) pouch has side webbing handle for easy transport
• Sold as Single Pockets

The Aqualung Replacement Sure-Lock Weigh Pouches are available in 10 lbs. and 16 lbs. (4.5 kg. and 7.26 kg) weight capacities in each pouch. The Sure-Lock Weigh Pouches work with soft or hard lead weights.