---
product_id: 316826704
title: "Apeks RK3 Military Rubber Fin with Adjustable Stainless Steel Spring Straps"
brand: "apeks"
price: "¥54740"
currency: JPY
in_stock: true
reviews_count: 5
category: "Apeks"
url: https://www.desertcart.jp/products/316826704-apeks-rk3-military-rubber-fin-with-adjustable-stainless-steel-spring
store_origin: JP
region: Japan
---

# Short wide blade for max thrust All-rubber durable design Adjustable stainless steel spring straps Apeks RK3 Military Rubber Fin with Adjustable Stainless Steel Spring Straps

**Brand:** apeks
**Price:** ¥54740
**Availability:** ✅ In Stock

## Summary

> 🌊 Propel like a pro—dive with the fin that’s mission-ready.

## Quick Answers

- **What is this?** Apeks RK3 Military Rubber Fin with Adjustable Stainless Steel Spring Straps by apeks
- **How much does it cost?** ¥54740 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/316826704-apeks-rk3-military-rubber-fin-with-adjustable-stainless-steel-spring)

## Best For

- apeks enthusiasts

## Why This Product

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

## Key Features

- • **Hydrodynamic Venting:** Blade vents reduce upstroke resistance and boost downstroke power for effortless swimming.
- • **Trusted by Elite Divers:** Preferred choice of Military, Special Ops, and Public Safety divers worldwide.
- • **Military-Grade Durability:** Built to endure the harshest underwater missions and environments.
- • **Precision Thrust Technology:** Short, wide blade maximizes forward propulsion without sacrificing agility.
- • **Custom Stainless Steel Straps:** Adjustable spring straps with corrosion-resistant hardware for a secure, comfortable fit.

## Overview

The Apeks RK3 Military Rubber Fin features a rugged all-rubber construction paired with adjustable stainless steel spring straps for unmatched durability and fit. Its short, wide blade design delivers maximum forward thrust and superior maneuverability, enhanced by vented blades that reduce resistance and increase swimming efficiency. Trusted by military and special operations divers for decades, this fin is engineered to perform in the toughest underwater conditions.

## Description

The RK3 fin design has been the standard for Military, Special Ops, Coast Guard, and Public Safety Divers for decades. It is a traditional all rubber design. The RK3 blade material is formulated to hold up in the toughest environments, temperatures, and abuse. The short wide blade provides maximum forward thrust while maintaining great maneuverability. The vented blade design reduces resistance on the upstroke and enhances thrust on the downstroke. The fins come standard with stainless steel spring straps.

Review: Nice fins, great thrust and comfortable under water. Built to last.
Review: Aún no las uso pero el material me parece de muy buena calidad.

## Features

- Traditional all-rubber design provides excellent performance
- Come standard with stainless steel spring straps
- Custom designed buckle holds spring straps in optimum position
- Custom buckle is attached with stainless steel nut and bolt
- Short wide blade provides maximum forward thrust while maintaining great maneuverability.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B08231CP26 |
| Age range (description) | Adult |
| Batteries Included? | No |
| Best Sellers Rank | #64,200 in Sporting Goods ( See Top 100 in Sporting Goods ) #172 in Diving & Snorkeling Fins |
| Color | Black |
| Customer Reviews | 4.6 4.6 out of 5 stars (287) |
| Date First Available | 28 April 2020 |
| Department | Unisex Adult |
| Global Trade Identification Number | 03664372075324 |
| Grip size | Array |
| Height | 21 inches |
| Included Components | No |
| Is Discontinued By Manufacturer | No |
| Item model number | AE FA2480101S |
| Length | 9.5 inches |
| Manufacturer | Apeks |
| Material Type | Rubber |
| Product Dimensions | 24.89 x 58.93 x 10.92 cm; 2 kg |
| Season | si |
| Size | S |
| UPC | 886957976243 |
| Weight | 4.4 Pounds |
| Width | 4 inches |
| lamp-type | Diving Swim Fins |

## Product Details

- **Brand:** Apeks
- **Colour:** Black
- **Fit type:** Custom Fit
- **Material:** Rubber
- **Sport:** Scuba Diving

## Images

![Apeks RK3 Military Rubber Fin with Adjustable Stainless Steel Spring Straps - Image 1](https://m.media-amazon.com/images/I/314x8ZDcg3L.jpg)
![Apeks RK3 Military Rubber Fin with Adjustable Stainless Steel Spring Straps - Image 2](https://m.media-amazon.com/images/I/41BzkRoPa2L.jpg)
![Apeks RK3 Military Rubber Fin with Adjustable Stainless Steel Spring Straps - Image 3](https://m.media-amazon.com/images/I/51NLgoOUCEL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Review
*by J***N on 5 April 2021*

Nice fins, great thrust and comfortable under water. Built to last.

### ⭐⭐⭐⭐⭐ Review
*by C***S on 26 June 2022*

Aún no las uso pero el material me parece de muy buena calidad.

### ⭐ Review
*by ぽ***た on 22 January 2026*

フィンのストラップを変えようと思ったら片方のネジが死んでてピンが抜けない事態。

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**Shop now:** [https://www.desertcart.jp/products/316826704-apeks-rk3-military-rubber-fin-with-adjustable-stainless-steel-spring](https://www.desertcart.jp/products/316826704-apeks-rk3-military-rubber-fin-with-adjustable-stainless-steel-spring)

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*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-01-25*