This is the Aqua Lung Surelock II Weight Pouch Replacement

Features:

• Available in 10, 15 or 16 lbs. (4.5, 6.8 or 7.3kg) Weight Capacities in Each-Pocket
• Easy to Load Design
• Remains Secure Until-you-want to Release-It
• Sure-Lock II Weight Pockets Align-Themselves: 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
• 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

SureLock II replacement weight pockets are offered in 3 sizes. You must select the model that matches the original SureLock II pockets that came with your BC."