---
product_id: 82044449
title: "K-Jack, Tactical Dive Knife for Scuba Diving, Snorkeling and Water Sports"
brand: "seac"
price: "€ 42.14"
currency: EUR
in_stock: true
reviews_count: 13
category: "Seac"
url: https://www.desertcart.pt/products/82044449-k-jack-tactical-dive-knife-for-scuba-diving-snorkeling-water
store_origin: PT
region: Portugal
---

# blunt tip doubles as screwdriver 54mm stainless steel blade built-in line cutter notch K-Jack, Tactical Dive Knife for Scuba Diving, Snorkeling and Water Sports

**Brand:** seac
**Price:** € 42.14
**Availability:** ✅ In Stock

## Summary

> 🌊 Dive sharp, stay ready — the SEAC K-Jack is your ultimate underwater sidekick!

## Quick Answers

- **What is this?** K-Jack, Tactical Dive Knife for Scuba Diving, Snorkeling and Water Sports by seac
- **How much does it cost?** € 42.14 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.pt](https://www.desertcart.pt/products/82044449-k-jack-tactical-dive-knife-for-scuba-diving-snorkeling-water)

## Best For

- seac enthusiasts

## Why This Product

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

## Key Features

- • **Safety-First Design:** Blunt tip prevents accidental damage to gear, ensuring your jacket and equipment stay intact
- • **Multi-Tool Versatility:** Blunt tip designed to safely double as a screwdriver—because every dive demands readiness
- • **Dual-Edge Functionality:** Smooth and serrated edges plus a line cutter notch tackle any underwater challenge
- • **Universal Attachment Kit:** Easily secure your knife to any dive setup for quick access when seconds count
- • **Precision-Engineered Blade:** Durable 54mm stainless steel with compound bevel for effortless cutting underwater

## Overview

The SEAC K-Jack is a compact, ambidextrous tactical dive knife featuring a 54mm stainless steel blade with compound bevel edges. Its innovative blunt tip doubles as a screwdriver and prevents gear damage, while the built-in line cutter notch and universal attachment kit make it an essential, versatile tool for scuba divers, snorkelers, and water sports enthusiasts seeking reliable performance and safety.

## Description

A diver's knife is truly a tool - useful for tasks from cutting fishing line to pointing out marine life to signaling to a dive buddy by knocking on scuba tank. The SEAC knife is a well-balanced divers knife with a strong tempered blade that is very popular with scuba divers and free divers alike.

Review: Great will do the job in case of emergencies - Great for my husband & his sea kayaking to carry on his buoyancy aid incase of emergencies while out at sea
Review: Small but sharp - I thought it was going to be a little lager but does the trick nicely. Used it to cut a rope wrapped around my prop on my boat.

## Features

- Knife with stainless steel blade and featuring a built-in line cutter
- The blunt tip prevents accidental damage to the jacket bag and makes it possible to use the knife as a screwdriver
- Universal kit for Attachment
- Double-edge, smooth and serrated, and line cutter notch
- It is possible to use the knife as a screwdriver

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B079J4K3BQ |
| Age range | Adult |
| Best Sellers Rank | 112,485 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) 21 in Divers' Knives & Shears |
| Blade edge | Compound Bevel |
| Blade length | 54 Millimetres |
| Blade material | Stainless Steel |
| Brand | SEAC |
| Color | Black |
| Customer Reviews | 3.9 3.9 out of 5 stars (118) |
| Date First Available | 4 Feb. 2018 |
| Department | Unisex |
| Features | Locking Blades |
| Hand orientation | Ambidextrous |
| Included components | Knife |
| Item model number | 0550019000000A |
| Manufacturer | SEAC |
| Package Dimensions | 21.5 x 19.3 x 4.5 cm; 156 g |
| Power source | Manual |
| Seasons | Year-round |
| Shape | Wharncliffe |
| Size | One Size |
| Style | 0550019000000A |

## Product Details

- **Age range (description):** Adult
- **Blade material:** Stainless Steel
- **Brand:** SEAC
- **Colour:** Black
- **Handle material:** Stainless Steel
- **Included components:** Knife
- **Model name:** 0550019000000a
- **Recommended uses for product:** Scuba diving, snorkelling and water sports
- **Special feature:** Locking Blades
- **Style:** 0550019000000A

## Images

![K-Jack, Tactical Dive Knife for Scuba Diving, Snorkeling and Water Sports - Image 1](https://m.media-amazon.com/images/I/61eYja6jX9L.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Great will do the job in case of emergencies
*by S***A on 6 August 2025*

Great for my husband & his sea kayaking to carry on his buoyancy aid incase of emergencies while out at sea

### ⭐⭐⭐⭐⭐ Small but sharp
*by M***T on 20 July 2022*

I thought it was going to be a little lager but does the trick nicely. Used it to cut a rope wrapped around my prop on my boat.

### ⭐⭐⭐⭐ Good but needs a sharpen before use
*by M***E on 15 June 2025*

Nice fit to the scabbard but blunt out of the box. It needs a serious Sharpen before you use it as a rescue knife.

## Frequently Bought Together

- SEAC K-Jack, Tactical Dive Knife for Scuba Diving, Snorkeling and Water Sports
- SEAC Unisex 0550017520000a Seac Hammer Diving Knife for Apnea and Scuba Diving Dagger with Straps, Black, One Size UK

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**Shop now:** [https://www.desertcart.pt/products/82044449-k-jack-tactical-dive-knife-for-scuba-diving-snorkeling-water](https://www.desertcart.pt/products/82044449-k-jack-tactical-dive-knife-for-scuba-diving-snorkeling-water)

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*Product available on Desertcart Portugal*
*Store origin: PT*
*Last updated: 2026-03-17*