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HQ Diving D Shackle – 316 Stainless Steel 25mm x 15mm 
Waterproof Silicone Neck Seals
$99.00 inc. GST
Flexible silicone neck seal with a bellows profile, interior glide coating and retaining ridge. For a compatible mechanical neck-seal system; match the size and fitted ring before ordering.
SKU:
- Description
- Additional information
- Shipping
- Returns & Exchanges
- Click & Collect
- Frequently Asked Questions
The Waterproof silicone neck seal is a replacement for compatible mechanical neck-seal systems, including the matching SI TECH Neck Tite arrangement. Its flexible bellows profile accommodates neck movement while the inner sealing area sits against the skin.
Features and benefits
- Stretch silicone: allows the head to pass through during dressing and then returns to a close-fitting neck shape.
- Bellows profile: gives the neck section room to move as you turn and look around.
- Interior glide coating: reduces friction when dressing, helping the seal pass over the skin more smoothly.
- Retaining ridge: locates the seal in the correct mechanical ring interface so it can be replaced without gluing it to the suit.
Technical specifications
| Part | Replacement drysuit neck seal |
|---|---|
| Material | Silicone |
| Profile | Bellows with interior glide coating and retaining ridge |
| System | Compatible SI TECH Neck Tite / matching WP neck rings |
| Size and colour | Select from the current options |
Fit and use
Match the part to the exact suit, seal profile and retaining system before ordering. Ask our Hallam team if you need help with sizing or compatibility. Silicone is mechanically retained and is not a direct glue-in replacement for a latex neck seal.
Care
Handle seals with clean hands and remove sharp jewellery before dressing. Inspect for cuts or damage before use, rinse as directed, and follow the seal system’s instructions for sizing, fitting and care.
We dispatch orders five days a week, usually within 1–3 days. Standard mainland Australian shipping is $20. Click & Collect from our Hallam store is free once your order is ready.
- Large or bulky gear: additional freight charges apply on top of standard shipping: large dive bags $30; long freediving fins $15; long spearguns $20. Scuba tank freight is shown at checkout.
- Rural, remote & offshore: rural means anywhere outside metropolitan areas. Carrier availability and additional charges may apply, including for island and territory destinations. Our team will contact you if an extra freight quote is needed.
The available delivery rate for your order is shown at checkout.
We offer a 30-day exchange on most unused products within Australia when they are in saleable condition with their original packaging and accessories. Please contact us with your order number before returning an item. Change-of-mind refunds are not offered; this does not limit your rights for faulty products under Australian Consumer Law.
FREE CLICK & COLLECT
Usually ready same day*
Select local pickup at checkout. We will email you when your order is ready. Please wait for your ready-to-collect confirmation before visiting, then bring your confirmation email and photo ID.
Collect from our Hallam store
Factory 4 / 56–60 Hallam South Rd
Hallam VIC 3803
*For items in stock at our Hallam store during opening hours, subject to order processing. Available-to-order and special-order items take longer. Collection is unavailable while the store is closed.
Can I collect my order from the store?
Yes. Choose free local pickup at checkout and wait for your ready-to-collect email before visiting our Hallam store. Bring your confirmation and photo ID. See Click & Collect details.
How do I choose the right size?
Use the product's size chart where available and compare your measurements with the guide for that brand. Sizing varies between brands and products. If you are unsure, contact our team before ordering and we can help you choose.
How do I check availability?
Select your required options, such as colour and size, to see availability for that variation. If an item is marked “Available to order”, check the estimated dispatch information. Please contact us before ordering if you need gear by a particular date.
When will my order be dispatched?
Orders are usually dispatched within 1–3 days, subject to stock availability. Available-to-order and special-order products may take longer. Delivery time is separate from dispatch time and depends on your location and the carrier. Read our shipping information.
Can I exchange an item if it does not fit?
We offer a 30-day exchange policy on most unused products within Australia, subject to eligibility. Contact us with your order number before returning an item. Read the exchange conditions and next steps.
Can you help me choose the right gear?
Yes. Call 03 9702 3694 during store hours or email [email protected]. Tell us which product you are considering and how you plan to use it.
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