# Adjustable metal restraint collar metal hard D-218521 — durable metal construction, adjustable size

**URL:** https://aio.lv/en/product--metal-hard-d-218521--4237734
**Data updated:** 2026-03-07 11:12 (EET)
**Category:** BDSM Collars & Leashes
**Manufacturer:** metal hard
**Manufacturer code:** D-218521
**EAN:** 8435565914622
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 35.99 €
**Prices and availability valid until:** 2026-07-17 23:59
**Price without VAT (21%):** 29.74 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--metal-hard-d-218521--4237734

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 03.07.2026 | free |
| Pickup points | 08.07.2026 | 1.99 EUR |
| Courier delivery to door | 08.07.2026 | 4.99 EUR |

## Summary description

Adjustable metal restraint collar metal hard D-218521 is a durable metal collar designed for controlled handling and training. The construction provides stable restraint with an adjustable fit to accommodate different neck sizes. Intended for use during walks, training sessions or transport, it offers reliable durability and firm control for the handler without additional soft padding or decorative elements.

## Long description

Adjustable metal restraint collar metal hard D-218521 is a durable stainless steel collar designed for controlled handling and training. The collar features a polished chrome finish, a front attachment ring for chains or ropes and a closure that accepts a padlock; it is intended for use as a restraint or as an accessory in costume and fetish play. The construction is rigid with curved edges for a contoured fit; the adjustable design accommodates a specific neck circumference and the product is supplied with a padlock and keys and presented in a cloth storage bag.
Advantages
The collar’s stainless steel construction provides high durability, resistance to wear and a glossy mirror-like finish that is easy to clean. Its rigid shape and secure closure deliver firm control for the handler, while the front ring allows attachment of leads, chains or other restraints. The included padlock and keys simplify secure locking, and the cloth bag offers discreet storage and transport.
Suitable for
 Controlled handling and restraint during play or training
 Fetish, costume or role-play scenarios requiring a metal collar
 Situations where a secure attachment point for a lead or chain is needed
 Transport or presentation when a durable, lockable collar is required
Key specifications
 Material: stainless steel with chrome finish
 Inner diameter: 12.5 cm
 Rigid, non-padded construction with curved edges
 Front attachment ring for leads and restraints
 Closure designed to accept a padlock; padlock and keys included
 Supplied with cloth storage bag
How to use
Place the collar around the wearer’s neck so that the curved edges align comfortably with the contours of the neck; ensure the inner diameter corresponds to the wearer’s size before closing. Thread the closure and secure it with the supplied padlock and keys if fixed restraint is required, or leave unlocked for easier removal. Attach a lead, chain or other restraint to the front ring as needed for handling or play. Regularly inspect the collar and locking mechanism for proper fit and function.
Usage recommendations
Use only with informed, consenting adults. Verify fit and comfort before applying force; avoid prolonged continuous wear and remove immediately if any pain, numbness or circulation issues occur. Clean the collar after use with a soft cloth and mild cleaner suitable for stainless steel; store in the supplied cloth bag to protect the finish.

## Specifications

| Feature | Value |
|---|---|
| Height | 150 mm |
| Depth | 45 mm |

### Weight & dimensions

| Feature | Value |
|---|---|
| Weight | 0.2 kg |
| Width | 165 mm |
| Package depth | 45 mm |
| Package height | 150 mm |
| Package width | 165 mm |

## FAQ

### How much does the Metal restraint collar metal hard D-218521 cost, and is it available for purchase?

The price is 35.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 4 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

### If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on 03.07.2026 at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

### What payment options are available?

AiO.lv offers several payment methods: Bank transfer, Bank cards on-line, Apple Pay, Google Pay. All transactions are 100% secure and encrypted.

### Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

### What is the warranty period?

All metal hard products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized metal hard service centers and through AiO.lv

### Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

### Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. More information about warranty service: https://aio.lv/en/warranty

## Image

https://aio.lv/img/cache/product/4237734/20069076_large.webp