Skip to content
  • 💳 More bang for your buck + free shipping 💳
  • 💳 More bang for your buck + free shipping 💳
Marine Sports GearMarine Sports Gear
  • Menu
    • No products in the basket.

      Return to shop

  • Basket

    No products in the basket.

    Return to shop

  • Wetsuits
    • Accessories
    • Rash Vests, Thermo & Neo
    • Shorty Wetsuits
    • Wetsuit Boots
  • Sailing
    • Accessories
    • Sailing – Dinghy
    • Sailing – Yacht
  • Accessories
    • Essentials
    • Luggage & Dry Bags
    • Footwear
    • Life, Buoyancy & Impact Vests
    • Care & Repair
    • Sunglasses
    • Safety Gear
  • Boardsports
    • Stand Up Paddle Boarding
    • Surfing
    • Bodyboarding
  • Clothing
    • Mens
    • Womens
  • Triathlon
    • Triathlon Wetsuits
  • Wetsuit Tops, Shorts & Trousers
    • Wetsuit Trousers
    • Wetsuit Shorts
  • New Arrival
Home / Sailing / Sailing - Dinghy / Dinghy Hardware
  • GILL Waterproof Gloves -Marine Sports Gear 202020Gill20Waterproof20Gloves20750020 20Graphite.2000x2000
  • 16mm Air Block With Swivel -Marine Sports Gear Harken 16mm Air Block With Swivel 417.2000x2000
Sale!
Single Fixed Block

Single Fixed Block

£17.95 Original price was: £17.95.£12.57Current price is: £12.57.

Clear
SKU: D2V0C 1700049044 Categories: Dinghy Hardware, Sailing, Sailing - Dinghy Tag: Harken
  • Safe Shopping Guaranteed
  • Reliable Payments for Reliable Shopping
  • Unbeatable quality, unbeatable prices.
  • Top-Notch Quality
Browse
  • Accessories
    • Care & Repair
    • Essentials
      • Change Mats
      • Change Robes
    • Footwear
      • Flip Flops
      • Wetsuit Boots
        • Dinghy, Kayak & Dive Boots
      • Wetsuit Shoes
    • Life, Buoyancy & Impact Vests
      • Buoyancy Aids
    • Luggage & Dry Bags
      • Dry Bags
    • Safety Gear
    • Sunglasses
      • Mens Sunglasses
  • Boardsports
    • Bodyboarding
      • Boards
    • Stand Up Paddle Boarding
      • Sup Essentials
        • Sup Pumps
      • Sup Paddles
      • Sup Wetsuits
    • Surfing
      • Surfboards
  • Clothing
    • Mens
      • Accessories
      • Hoodies & Sweatshirts
      • Jackets & Coats
      • T-shirts
    • Womens
      • Accessories
      • T-shirts & Tops
  • Sailing
    • Accessories
      • Footwear
        • Sailing Shoes
        • Thermal Socks
      • Gloves, Hoods & Hats
        • Beanies, Skull Caps & Neck Gaiter
        • Sailing Gloves
        • Technical Hats, Caps & Visors
    • Sailing - Dinghy
      • Dinghy Hardware
      • Hikers
    • Sailing - Yacht
      • Shore Wear
        • Fleeces
        • Technical Sailing Shorts
  • Triathlon
    • Triathlon Wetsuits
  • Uncategorized
  • Wetsuit Tops, Shorts & Trousers
    • Wetsuit Shorts
    • Wetsuit Trousers
  • Wetsuits
    • Accessories
      • Footwear
        • Wetsuit Boots
          • Surfing & Boardsports
      • Gloves, Hoods & Hats
        • Neoprene Gloves
        • Surf Hoods & Neoprene Beanie
    • Rash Vests, Thermo & Neo
    • Shorty Wetsuits
      • Mens
    • Wetsuit Boots
  • Description
  • Additional information
  • Reviews (0)

Model: 348 (29mm) / 2650 (40mm)Colour: Black

Low-friction Carbo Air blocks are lightweight, strong, reliable—and affordable. Companions to the popular Harken Black Magic block line, these small, compact blocks have very high working loads for safe, easy trimming.

Block (mm) Sheave (mm) Length (mm) Weight (g) Max Line Diameter (mm) Max Working Load (kg) Breaking Load (kg)
29 29 49 23 8 150 454
40 40 64 40 10 220 735

Block Size

29mm, 40mm

Reviews

There are no reviews yet.

Be the first to review “Single Fixed Block” Cancel reply

Related products

Sale!
MUSTO Shaker Cuff Beanie
Quick View

Accessories

MUSTO Shaker Cuff Beanie

£21.95 Original price was: £21.95.£15.37Current price is: £15.37.
Sale!
Zhik Team Sports Hat
Quick View

Accessories

Zhik Team Sports Hat

£26.95 Original price was: £26.95.£18.87Current price is: £18.87.
Sale!
Mystic Micro Beanie Hat
Quick View

Accessories

Mystic Micro Beanie Hat

£24.95 Original price was: £24.95.£17.47Current price is: £17.47.
Sale!
Single Swivel Block
Quick View

Dinghy Hardware

Single Swivel Block

£39.95 Original price was: £39.95.£27.97Current price is: £27.97.
Sale!
MUSTO Evo Original Crew Cap
Quick View

Accessories

MUSTO Evo Original Crew Cap

£21.95 Original price was: £21.95.£15.37Current price is: £15.37.
Sale!
Wire Cheek Block
Quick View

Dinghy Hardware

Wire Cheek Block

£50.95 Original price was: £50.95.£35.67Current price is: £35.67.
Sale!
Rip Curl Premium Surf Tall Beanie Hat
Quick View

Accessories

Rip Curl Premium Surf Tall Beanie Hat

£19.95 Original price was: £19.95.£13.97Current price is: £13.97.
Sale!
GILL Helmsman Gloves
Quick View

Accessories

GILL Helmsman Gloves

£49.95 Original price was: £49.95.£34.97Current price is: £34.97.
ABOUT US
  • About Us
  • FAQ
  • Returns & Exchanges
  • Delivery
  • Contact Us
LEGAL
  • Privacy Policy
  • Payment Method
  • Shipping & Returns
  • Term and Conditions
MY ACCOUNT
  • Cart
  • Checkout
  • My account
  • Wishlist
Signup for Newsletter

Sign up for exclusive offers, original stories, events and more.

    Copyright 2026 © www.marinesportsgear.com
    • Wetsuits
      • Accessories
      • Rash Vests, Thermo & Neo
      • Shorty Wetsuits
      • Wetsuit Boots
    • Sailing
      • Accessories
      • Sailing – Dinghy
      • Sailing – Yacht
    • Accessories
      • Essentials
      • Luggage & Dry Bags
      • Footwear
      • Life, Buoyancy & Impact Vests
      • Care & Repair
      • Sunglasses
      • Safety Gear
    • Boardsports
      • Stand Up Paddle Boarding
      • Surfing
      • Bodyboarding
    • Clothing
      • Mens
      • Womens
    • Triathlon
      • Triathlon Wetsuits
    • Wetsuit Tops, Shorts & Trousers
      • Wetsuit Trousers
      • Wetsuit Shorts
    • New Arrival
    • Login

    Login

    Lost your password?

    Register

    Your personal data will be used to support your experience throughout this website, to manage access to your account, and for other purposes described in our privacy policy.