SKU: 11254294800

APEKS RK4

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Description

APEKS RK4The sleek new Apeks RK4 fins offer optimal performance and exceptional manoeuvrability whether youre frog kicking, back finning, or diving open water with up and down strokes. With their adjustable stainless fin straps, they can be used with wetsuits or drysuits for energy efficient dives. The new Apeks RK4 Fins deliver optimum performance and excel for frog kicking and back finning underwater, without being too heavy or excessively rigid. You'll be

The sleek new Apeks RK4 fins offer optimal performance and exceptional manoeuvrability whether you’re frog kicking, back-finning, or diving open water with up and down strokes. With their adjustable stainless fin straps, they can be used with wetsuits or drysuits for energy-efficient dives.

The new Apeks RK4 Fins deliver optimum performance and excel for frog-kicking and back-finning underwater, without being too heavy or excessively rigid. 

You'll be conserving energy with these compact, wide-blade technical fins which provide outstanding manoeuvrability in confined spaces and overhead environments, easy finning in open spaces whether during an upstroke or downstroke.

With the RK4 fin, Apeks has Increased the edge of the blade on the side to give you more control underwater, yet kept some flexibility on the fin tip so it doesn't feel too rigid.

The Apeks RK4 Fins have an adjustable fin strap which allows one or both sides to be adjusted back or forward for optimal fit - each side by around 2cm. A nice big durable pull at the back makes it easier to don and doff in a drysuit (although the discerning divers among you worried about entanglement can still cut off the pull-handle while retaining the rubber guard on the spring.

Weight-wise the RK4 fin sits somewhere between the RK3 and RK3 HD. It's neither super heavy nor too rigid, which makes it comfortable for all sorts of divers whether in drysuit or wetsuit - in short, it is a great all-round fin.  

 

Features of Apeks RK4 Fins

  • Modern style technical fin that delivers the ultimate performance.
  • Durable and easy to recycle with one piece rubber construction.
  • Easy to put on and take off, even when wearing gloves.
  • Reduces snag hazards with integrated stainless-steel buckles that are durable and tough.
  • Provides exceptional maneuverability and allows small accurate movements in confined spaces, reducing disturbance of sand and silt. Perfect for frog-kicking.
  • Delivers a more energy efficient dive with optimum performance on both the upstroke and downstroke.
  • Allows quick and easy changes between settings for wetsuits and drysuits, with 2 adjustment points and stainless-steel spring straps.
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SKU: 11254294800

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Holly A. Sciackitano
Omaha, US
★★★★★ 4
Useful overview of project and portfolio management
Format: Hardcover
A broad overview of the project management discipline. The case studies and illustrations make things clear.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on November 28, 2009
R
Rudi van den Berg
West Palm Beach, US
★★★★★ 5
Great Reference
Format: Hardcover
The book provides a complete, high-level overview of Project Portfolio Management (PPM). As the title suggests, it covers both Portfolio Management and Project Management. The book is a great reference for PPM concepts. I personally found the first few chapters of the book very interesting, because it talks about portfolio management in a different manner than what you would read in other books such as PMI's The Standard for Portfolio Management. The book has been written in an easy-to-read style and it provides pragmatic ideas on how to best help an organization manage their portfolio, using concepts such as: Anchoring, superior estimation, batch vs. ad hoc prioritization, one portfolio or many, private collection of information, winner's curse, innovation vs. improvement projects, accounting vs. project management, etc. In short, the book is a recommender for all PPM practitioners!
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Reviewed in the United States on October 28, 2009
E
Emily B. Cherkin
Draper, US
★★★★★ 4
Great introduction to work management
Format: Hardcover
I am not an expert in project or work management and found this book really useful and readable. Moore does a great job of looking beyond standard project management terms and frameworks and helps re-frame project management as a strategic, not a tactical concern.
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Reviewed in the United States on October 23, 2009
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Verified Purchase
Andrea Cercado
West Palm Beach, US
★★★★★ 5
Nice update
Format: Paperback, Format: Paperback
I really like this version of a practice test. It covers pretty much all the topics I wanted to learn more about (like math related) and the fact that’s it’s current for this year is great. I didn’t want to practice with old information. It also has a well-structured approach to mastering the digital format. I feel like it properly prepares you for the actual feeling of doing the test. My favorite thing has to be the mini test. Sometimes I think I’m ready for a test but end up realising I still have a long way to practice so it’s great to have a tool that helps with that. Just overall, its practice is very reasonable so as long as you take the time to really take advantage of this book, the SAT will be a breeze.
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Reviewed in the United States on March 11, 2025
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Charlene Hernes
Birmingham, US
★★★★★ 5
An exceptional resource
Format: Paperback, Format: Paperback
Vibrant Publishers did a great job on writing this SAT book. It has been researched thoroughly. Vibrant publishers has some great study lessons in here that gives great ideas for helping others with learning the SAT. The lessons are great to learn, and also the questions to study are very easy to understand and put the answers in context to answer the questions. This book I would definitely recommend to others given the chance. I hope to hear more from the author. The author made it easy to learn and study for the SAT. Vibrant publishers gave some great ideas on how to help students study for the SAT. I think there are some great ideas to helping people pass the test to go to college, and do well. I definitely give this book a 5-star rating.
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Reviewed in the United States on March 1, 2025

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