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Single Blocks

These blocks have a single sheave for one turning point and are common in many sailboat rigging applications. 


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  • Ronstan 15 mm Utility Single Block

    Ronstan 15 mm Utility Single Block

    Ronstan
    $11.97
    The Ronstan 15 mm Utility Block range offers small boat sailors a lightweight, stainless steel block range for a variety of applications such as control lines and shockcord tension systems. This is the basic loop head type single block, great for lashing...
    Qty in Cart: 0
    Price:
    $11.97
    Subtotal:
  • Ronstan 15 mm Utility Single Swivel Block

    Ronstan 15 mm Utility Single Swivel Block

    Ronstan
    $20.97
    The Ronstan 15 mm Utility Block range offers small boat sailors a lightweight, stainless steel block range for a variety of applications such as control lines and shockcord tension systems. This single block features a swivel head with removable shackle...
    Qty in Cart: 0
    Price:
    $20.97
    Subtotal:
  • Ronstan 15 mm Utility Single Block with Becket

    Ronstan 15 mm Utility Single Block with Becket

    Ronstan
    $14.17
    The Ronstan 15 mm Utility Block range offers small boat sailors a lightweight, stainless steel block range for a variety of applications such as control lines and shockcord tension systems. This is the basic loop head type single block, great for lashing...
    Qty in Cart: 0
    Price:
    $14.17
    Subtotal:
  • Ronstan 15 mm Utility Single Stand Up Block

    Ronstan 15 mm Utility Single Stand Up Block

    Ronstan
    $18.54
    This is the smallest and lightest Ronstan ball bearing block available. A Precision moulded acetal sheave running on stainless steel ball bearings provide high performance & low friction. This single loop head block includes an O-ring to separate...
    Qty in Cart: 0
    Price:
    $18.54
    Subtotal:
  • Harken 16 mm Single Block H404

    Harken 16 mm Single Block H404

    Harken
    $16.95
    The 16 mm is Harken’s smallest block. It is perfect for small synthetic control lines found on high-tech dinghies. The patented bearing system uses stainless steel balls in a captive grooved race and has a 250 lb (113 kg) maximum working load. The...
    Qty in Cart: 0
    Price:
    $16.95
    Subtotal:
  • Harken 16 mm Single Block w/ Swivel H417

    Harken 16 mm Single Block w/ Swivel H417

    Harken
    $29.95
    The 16 mm is Harken’s smallest block. It is perfect for small synthetic control lines found on high-tech dinghies. The patented bearing system uses stainless steel balls in a captive grooved race and has a 250 lb (113 kg) maximum working load. This...
    Qty in Cart: 0
    Price:
    $29.95
    Subtotal:
  • Harken 16 mm Single Block w/Becket H405

    Harken 16 mm Single Block w/Becket H405

    Harken
    $18.95
    The 16 mm is Harken’s smallest block. It is perfect for small synthetic control lines found on high-tech dinghies. The patented bearing system uses stainless steel balls in a captive grooved race and has a 250 lb (113 kg) maximum working load. ...
    Qty in Cart: 0
    Price:
    $18.95
    Subtotal:
  • Harken 16mm Single Forkhead Block H376

    Harken 16mm Single Forkhead Block H376

    Harken
    $23.95
    The 16 mm is Harken’s® smallest block. It is perfect for small synthetic control lines found on high-tech dinghies. The patented bearing system uses stainless steel balls in a captive grooved race and has a 250 lb (113 kg) maximum working load...
    Qty in Cart: 0
    Price:
    $23.95
    Subtotal:
  • Harken T2 18 mm Narrow Head Block H2161

    Harken T2 18 mm Narrow Head Block H2161

    Harken
    $23.95
    Harken soft-attach Fly blocks are designed to provide strength without mass, providing sailors with big power in a low-aero package. Designed specifically for high-tech line, these efficient blocks have an incredible working load for their small size...
    Qty in Cart: 0
    Price:
    $23.95
    Subtotal:
  • Ronstan 20 mm Single Block

    Ronstan 20 mm Single Block

    Ronstan
    $11.97
    Ronstan's ball bearing blocks were conceived and engineered for the demands of competitive sailing in all types of boats and have rapidly become the international choice for high performance hardware. Highly efficient, low friction bearing systems for...
    Qty in Cart: 0
    Price:
    $11.97
    Subtotal:
  • Ronstan 20 mm Orbit Block Single

    Ronstan 20 mm Orbit Block Single

    Ronstan
    $13.98
    The new Ronstan 20mm 'Orbit' block is small and compact. Super lightweight and strong! Made from advanced fibre and polymer technology, these blocks are ten times stronger than steel. 20mm Ball Bearing block  Lightweight - Just 9 grams! High...
    Qty in Cart: 0
    Price:
    $13.98
    Subtotal:
  • Ronstan 20 mm Swivel Block

    Ronstan 20 mm Swivel Block

    Ronstan
    $20.97
    Ronstan's ball bearing blocks were conceived and engineered for the demands of competitive sailing in all types of boats and have rapidly become the international choice for high performance hardware. Highly efficient, low friction bearing systems for...
    Qty in Cart: 0
    Price:
    $20.97
    Subtotal:
  • Ronstan 20 mm Single w/Becket

    Ronstan 20 mm Single w/Becket

    Ronstan
    $15.27
    Ronstan's ball bearing blocks were conceived and engineered for the demands of competitive sailing in all types of boats and have rapidly become the international choice for high performance hardware. Highly efficient, low friction bearing systems for...
    Qty in Cart: 0
    Price:
    $15.27
    Subtotal:
  • Ronstan 20 mm Hook Block

    Ronstan 20 mm Hook Block

    Ronstan
    $24.00
    Ronstan's ball bearing blocks were conceived and engineered for the demands of competitive sailing in all types of boats and have rapidly become the international choice for high performance hardware. Has a low profile swiveling hook for quick and easy...
    Qty in Cart: 0
    Price:
    $24.00
    Subtotal:
  • Ronstan 20 mm Utility Single Ferrule Top Block

    Ronstan 20 mm Utility Single Ferrule Top Block

    Ronstan
    $19.43
    The Ronstan 20 mm Utility Block range featues stainless steel cheeks and Acetal sheaves for a long service life with virtually no maintenance. This ferrule top version features a narrow attachement point for small spaces. Hollow rivets in the block heads...
    Qty in Cart: 0
    Price:
    $19.43
    Subtotal:
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