The Attwood Corporation 11401-4 Pontoon Winter Storage Block (Set of 4) is designed to provide stable support for pontoon boats during off-season storage. Here are the key details:

Attwood Corporation 11401-4 Pontoon Winter Storage Block, Set of 4

Features:
– Material: Durable high-density polyethylene (HDPE) construction for weather resistance.
– Design: Curved to fit pontoon tubes securely, preventing hull deformation.
– Set Includes: 4 blocks (often sold in pairs; verify quantity based on retailer).
– Load Capacity: Supports heavy pontoon boats (check specific weight limits).
– Non-Slip Surface: Helps keep the boat in place.
– Stackable: For compact storage when not in use.

Benefits:
– Protects pontoons from flat-surface pressure points.
– Elevates the boat slightly to avoid moisture buildup.
– Suitable for garage, shed, or outdoor storage (use on a solid, level surface).

Installation Tips:
1. Place blocks under the pontoon tubes near factory-recommended support points.
2. Ensure even weight distribution; avoid placing near unsupported sections.
3. Use with a boat cover for added protection.

Where to Buy:
– Marine retailers (West Marine, Overton’s, etc.)
– Online (Amazon, eBay, Attwood’s website)
– Check current pricing (~$50–$80 per set, varies by seller).

Alternatives:
– VeVe Blocks: Adjustable height for versatility.
– Bunk-style stands: For permanent storage setups.

For exact specifications, refer to the product manual or Attwood’s official documentation. Let me know if you need help finding retailers or installation guidance!