APEXS RK3 HD Fins

$175.00
Availability: In Stock
The RK3 HD fin is the latest in the RK3 range. It is made from a higher density material than the standard RK3, which makes the fin stiffer and heavier...
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Availability: In Stock

Key Features

Rugged Fin Design
Thermoplastic Rubber (TPR)
Popular Among Military
Vented Blade Design
Spring Strap Easy Donning & Doffing
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Outstanding Performance & Reliability
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Product Overview

The RK3 HD fin is the latest in the RK3 range. It is made from a higher density material than the standard RK3, which makes the fin stiffer and heavier and is therefore the ideal fin for dry suit diving. The new, heavier compound makes it negatively buoyant and produces a stiffer blade, providing additional power in heavy currents or surf. Designed in collaboration with the US military and renowned for outstanding performance and reliability, the APEKS RK3 HD is a rugged thermoplastic rubber fin featuring an over-sized foot pocket to accommodate dry suit boots and a spring strap for easy donning and doffing. The RK3 is available in three sizes of medium, large and super. APEKS didn't give the RK3 fin a shoe size range as this can be very misleading. The environment that an RK3 is used in will tend to dictate the size of fin that you need, for example do you dive in a warm environment wearing wetsuit boots, or are you walking across pebbled beaches and wearing a dry suit and rigid dry boots? Both forms of footwear may be a size 9, but will take up different amounts of space in the fin foot pocket. Therefore, APEKS recommend that you visit your local dive store and try the fins on with your own footwear, just to ensure that you're getting the right fit for your style of diving.

Based on one of the first vented rubber fins sold in North America and popular among military and professional divers. Compact, and ultra-rugged for use in harsh environments. Improved foot pocket with spring straps for ease of use with cold hands or thick gloves. The design has been the standard gear issue fin for military, special ops, coast guard and public safety divers for decades. Short wide blade provides maximum forward thrust while maintaining great maneuverability. Vented blade design reduces resistance on the upstroke and enhances thrust on the downstroke. The vents also eliminate vortexes that can occur along the back of the blade much in the same way split fins eliminate the vortex.

The blade material designed to hold up in the toughest environments, temperatures and abuse. Two large grommet holes designed to fit most carabiners for easy storage of the fins while accessing the dive site. Spring straps as standard, and custom designed buckle holds spring straps in optimum position. Simple push pin design allows simple replacement of springs if necessary. Fins are available in multiple colors. Fin dimensions and weights are as follows: Medium has a blade length of 19.3" (49cm) with an 8.66" (22cm) foot pocket depth, 3.54" (9cm) width and weigh 38.8 oz (1.1 kg). Large has a blade length of 21.46" (54.5cm) with a 10" (25.5cm) foot pocket depth, 3.74" (9.5cm) width and weigh 49.4 oz (1.4 kg). Super has a blade length of 22.4" (57cm) with a 10.63" (27cm) foot pocket depth, 3.94" (10cm) width and weigh 50.8 oz (1.44 kg).

Warranty Information

This product has a limited warranty of 12 months.
760-597-5000

Features

  • Designed-In Collaboration w/US Military
  • Higher Density Material than Standard RK3
  • Stiffer & Heavier: Ideal Fin for Dry Suit Diving
  • Heavier Compound Makes-It Negatively Buoyant
  • Produces Stiffer Blade, Providing Additional Power-In Heavy Currents or Surf
  • Renowned for Outstanding Performance & Reliability
  • Rugged Thermoplastic Rubber (TPR) Fin
  • Over-Sized Foot Pocket to Accommodate Dry Suit Boots
  • Spring Strap for Easy Donning & Doffing
  • Based-On One of The First Vented Rubber Fins Sold-In North America
  • Popular Among Military & Professional Divers
  • Compact & Ultra-Rugged for Use-In Harsh Environments
  • Improved Foot Pocket w/Spring Straps for Ease of Use
  • Easy Donning/Doffing Even w/Cold Hands or Thick Gloves
  • Standard Gear Issue Fin for Military, Special Ops, Coast Guard & Public Safety Divers
  • Blade Design:
    Short Wide Blade Provides Maximum Forward Thrust
    Maintains Great Maneuverability
    Vents Reduces Resistance-On Upstroke/Enhances Thrust-On Downstroke
  • Vents Eliminate Vortexes that Occurs Along Back of Blade
  • Blade Material: Holds-Up in Toughest Environments, Temperatures & Abuse
  • 2-Large Grommet Holes: Fit Most Carabiners, Easy Storage of Fins while Accessing Dive Site
  • Spring Straps: Custom Designed Buckle Holds Spring Straps-In Optimum Position
  • Straps Equipped w/Rubber Heel Extrusion for Comfort
  • Simple Push Pin Design Allows Simple Replacement of Springs if Necessary
  • Available-In Multiple Colors & Sizes
  • Dimensions:
    Medium: Blade Length 19.3 (49cm), Pocket Depth 8.66 (22cm), Pocket Width 3.54 (9cm)
    Large: Blade Length 21.46 (54.5cm), Pocket Depth 10 (25.5cm), Pocket Width 3.74 (9.5cm)
    Super: Blade Length 22.4 (57cm), Pocket Depth 10.63 (27cm), Pocket Width 3.94 (10cm)
  • Weight:
    Medium 38.8 oz (1.1 kg)
    Large 49.4 oz (1.4 kg)
    Super 50.8 oz (1.44 kg)
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Product ID

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Key Features

• Rugged Fin Design
• Thermoplastic Rubber (TPR)
• Popular Among Military
• Vented Blade Design
• Spring Strap Easy Donning & Doffing
• Outstanding Performance & Reliability

What's in the Box

• RK3 HD Fins - MFG 2 Year Limited Warranty

Specifications

Materials Thermoplastic Rubber (TPR)
Dimensions Medium: Blade Length 19.3 (49cm), Pocket Depth 8.66 (22cm), Pocket Width 3.54 (9cm)
Large: Blade Length 21.46 (54.5cm), Pocket Depth 10 (25.5cm), Pocket Width 3.74 (9.5cm)
Super: Blade Length 22.4 (57cm), Pocket Depth 10.63 (27cm), Pocket Width 3.94 (10cm)
Blade Type Vented
Open Heel/Full Foot Open Heel
Weight Medium 38.8 oz (1.1 kg)
Large 49.4 oz (1.4 kg)
Super 50.8 oz (1.44 kg)

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