---
product_id: 790397045
title: "4ft Scuba Diving Open Bottom Surface Marker Buoy (SMB) with 49ft Finger Spool Alloy Dive Reel and Double Ended Bolt Clip Red"
brand: "seafard"
price: "56 kr"
currency: DKK
in_stock: false
url: https://www.desertcart.dk/products/790397045-4ft-scuba-diving-open-bottom-surface-marker-buoy-smb-49ft
store_origin: DK
region: Denmark
---

# 4ft Neon Red High-Visibility SMB 49ft Braided Nylon Line on Alloy Reel 210D Nylon TPU Coated Rupture-Resistant 4ft Scuba Diving Open Bottom Surface Marker Buoy (SMB) with 49ft Finger Spool Alloy Dive Reel and Double Ended Bolt Clip Red

**Brand:** seafard
**Price:** 56 kr
**Availability:** ❌ Out of Stock

## Summary

> 🛟 Dive Boldly, Surface Confidently — Visibility That Commands Attention

## Quick Answers

- **What is this?** 4ft Scuba Diving Open Bottom Surface Marker Buoy (SMB) with 49ft Finger Spool Alloy Dive Reel and Double Ended Bolt Clip Red by seafard
- **How much does it cost?** 56 kr with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.dk](https://www.desertcart.dk/products/790397045-4ft-scuba-diving-open-bottom-surface-marker-buoy-smb-49ft)

## Best For

- seafard enthusiasts

## Why This Product

- Trusted seafard brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Built to Endure:** Durable 210D nylon with TPU coating plus overpressure relief valve prevents ruptures during ascent.
- • **Precision Control:** Corrosion-resistant aluminum finger spool with 49ft braided line and stainless steel double-ended bolt clip for secure, tangle-free deployment.
- • **Effortless Inflation:** Fill your SMB easily via oral inflator or regulator through the open bottom—no extra gear needed.
- • **Stay Seen, Stay Safe:** Neon red 4ft SMB with reflective bands ensures maximum surface visibility in any dive scenario.
- • **Lightweight & Travel-Ready:** Compact 460g design perfect for cave, wreck, snorkeling, and underwater photography adventures.

## Overview

This 4ft neon red Surface Marker Buoy (SMB) kit from Seafard features a rupture-resistant 210D nylon TPU-coated tube with reflective bands for ultimate visibility. It includes a corrosion-resistant aluminum alloy dive reel with 49ft of braided nylon line and a stainless steel double-ended bolt clip. Lightweight at 460g, it inflates easily via oral or regulator methods and is designed for professional divers seeking reliable, compact safety gear for cave, wreck, and open water diving.

## Description

Description: Scuba diving surface marker buoy SMB kit with dive reel finger spool and 15m line, double ended bolt snap clip safety gear equipment  High visibility inflatable surface marking buoy signal tube with reflective tape makes sure scuba divers can be seen in open ocean  SMB can be filled using the oral inflator, or through the use of a inflator at bottom, you can also use standard BC hose to inflate  Built-in over pressure relief valve allows the tube to ascend without rupturing  Great accessories for cave and wreck diving, scuba diving, diver, snorkeling, spearfishing and other underwater activities Specification:Scuba Diving Surface Marker Buoy Material: Nylon, TPU  Length: Approx. 120 cm/4 ft  Color:Gray,Blue  Width: Approx. 17.8 cm/7 inch  Color: Orange Dive Reel Material: Aluminum alloy + 316 stainless steel  Reel Diameter: Approx. 5.5 cm/2.2 inch  Reel Thickness: Approx. 3.5 cm/1.4 inch  Center Hole Diameter: Approx. 2.5 cm/1 inch  Line Length: Approx. 15 m/49 ft  Line Thickness: Approx. 2 mm/0.08 inch  Bolt Snap Length: Approx. 9 cm/3.54 inch Package Includes: 1 Piece Scuba Diving Surface Marker Buoy  1 Piece Dive Reel Note: Please allow slightly difference due to manual measurement. Color may be slightly different since different monitor. Thanks!

## Features

- 🏄 HIGH VISIBILITY DESIGN - The Neon red surface marker signal tube is a 4ft surface marker with a Reflective Band tape on both sides for maximum visibility.
- 🏄 EASY FILL & STABILITY - SMB (total weight 360 grams) can be filled using the oral inflator, or through the use of a regulator in the open bottom of the SMB.
- 🏄 RUPTURE RESISTANT - Made from a 210D Nylon Fabric with a TPU coating for added strength in all water conditions and a built-in over pressure relief valve allows the tube to ascend without rupturing.
- 🏄 SMB FINGER SPOOL - Strong and corrosion resistant aluminum metal finger spool dive reel with 49ft of braided nylon line and stainless steel double ended bolt clip.
- 🏄 LIGHTWEIGHT & COMPACT - The combination ideal for cave and wreck diving, scuba diving, travelling diver, snorkeling, photography and other underwater activities.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | Seafard |
| Size | 4ft SMB 49ft Reel |
| Colour | 4ft Orange Smb+red Reel |
| Style | diving |
| Material | Aluminum+Nylon |
| Cutting Diameter | 5.5 Centimetres |
| Batteries included? | No |
| Batteries Required? | No |
| Assembled Diameter | 5.5 Centimetres |
| Item Weight | 460 g |

## Product Details

- **Brand:** Seafard
- **Material:** Aluminum+Nylon
- **Colour:** 4ft Orange Smb+red Reel
- **Item dimensions L x W x H:** 121.9 x 15 x 1 centimetres
- **Style:** diving

## Images

![4ft Scuba Diving Open Bottom Surface Marker Buoy (SMB) with 49ft Finger Spool Alloy Dive Reel and Double Ended Bolt Clip Red - Image 1](https://m.media-amazon.com/images/I/71Pb3GevtPL.jpg)
![4ft Scuba Diving Open Bottom Surface Marker Buoy (SMB) with 49ft Finger Spool Alloy Dive Reel and Double Ended Bolt Clip Red - Image 2](https://m.media-amazon.com/images/I/51DVKB-1ckL.jpg)
![4ft Scuba Diving Open Bottom Surface Marker Buoy (SMB) with 49ft Finger Spool Alloy Dive Reel and Double Ended Bolt Clip Red - Image 3](https://m.media-amazon.com/images/I/61BGsgUyMML.jpg)
![4ft Scuba Diving Open Bottom Surface Marker Buoy (SMB) with 49ft Finger Spool Alloy Dive Reel and Double Ended Bolt Clip Red - Image 4](https://m.media-amazon.com/images/I/51S5b-rlxBL.jpg)
![4ft Scuba Diving Open Bottom Surface Marker Buoy (SMB) with 49ft Finger Spool Alloy Dive Reel and Double Ended Bolt Clip Red - Image 5](https://m.media-amazon.com/images/I/51WLl5g8mdL.jpg)

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**Shop now:** [https://www.desertcart.dk/products/790397045-4ft-scuba-diving-open-bottom-surface-marker-buoy-smb-49ft](https://www.desertcart.dk/products/790397045-4ft-scuba-diving-open-bottom-surface-marker-buoy-smb-49ft)

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*Product available on Desertcart Denmark*
*Store origin: DK*
*Last updated: 2026-01-28*