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Line & Line Holding Accessories

This collection includes mason line and essential line holding accessories used to ensure precise alignment during brick, block, and stone installation. From durable line reels and high-visibility mason line to line blocks, twigs, and holders, these tools help contractors maintain straight courses and consistent joint spacing across every project.

Built for daily jobsite use, these products are designed for durability, ease of use, and reliable performance in all masonry applications.

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  • Bonded braided nylon mason line yellow with black flecks 500 ft high visibility #18 line for brick and block alignment

    #18 Bonded Braided Nylon Mason Line – Flecked, 170 lb Test (500' & 1000' Options)

    $33.58 - $52.72
    $33.58 - $52.72
    $33.58 - $52.72
    $33.58

    Bonded Braided Nylon Flecked Line is a high-performance mason line designed to maintain tension and eliminate sagging during layout and alignment w...

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    $33.58 - $52.72
    $33.58 - $52.72
    $33.58 - $52.72
    $33.58
  • Bon Tool heavy duty sliding adjustable line stretchers for 4 to 12 inch block made of cast aluminum sold in pairs

    Heavy Duty Adjustable Line Stretchers – Cast Aluminum (4"–12" Block, Sold in Pairs)

    $38.45 - $38.45
    $38.45
    $38.45 - $38.45
    $38.45

    HEAVY-DUTY LINE STRETCHERS DESIGNED TO KEEP MASON LINE TIGHT AND ACCURATE FOR STRAIGHT, CONSISTENT BLOCK WORK The Bon Tool heavy duty adjustable li...

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    $38.45 - $38.45
    $38.45
    $38.45 - $38.45
    $38.45
  • Reload Reel mason line neon orange 500 ft #18 braided nylon line reel with thumb brake for masonry layout

    Reload Reel™ with #18 Braided Nylon Line – 500' Mason Line Reel (Multiple Colors)

    $24.65 - $24.65
    $24.65
    $24.65 - $24.65
    $24.65

    Reload Reel™ with Line is a convenient, jobsite-ready mason line reel designed for fast deployment and easy rewinding. Featuring a built-in thumb b...

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    $24.65 - $24.65
    $24.65
    $24.65 - $24.65
    $24.65
  • #15 twisted nylon mason line neon orange 1000 ft high visibility 120 lb test for masonry layout and line marking

    #15 Twisted Nylon Mason Line – EZC Neon Colors, 120 lb Test (1000')

    $23.92 - $23.92
    $23.92
    $23.92 - $23.92
    $23.92

    EZC TWISTED NEON NYLON LINE – HIGH-VISIBILITY LINE FOR FAST, RELIABLE LAYOUT EZC Twisted Neon Nylon Line is a high-visibility mason line designed f...

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    $23.92 - $23.92
    $23.92
    $23.92 - $23.92
    $23.92
  • #18 braided nylon mason line green high visibility 170 lb test for masonry layout and construction line marking

    #18 Braided Nylon Mason Line – Solid Colors, 170 lb Test (500' & 1000')

    $23.52 - $40.53
    $23.52 - $40.53
    $23.52 - $40.53
    $23.52

    BRAIDED NYLON LINE – DURABLE MASON LINE FOR ACCURATE LAYOUT Braided Nylon Line is a dependable, high-strength mason line designed for precise layou...

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    $23.52 - $40.53
    $23.52 - $40.53
    $23.52 - $40.53
    $23.52
  • #18 braided nylon mason line black and white flecked 500 ft 170 lb test for masonry layout brick and block alignment

    #18 Braided Nylon Mason Line – Black/White Flecked, 170 lb Test (500' & 1000')

    $26.35 - $52.61
    $26.35 - $52.61
    $26.35 - $52.61
    $26.35

    BRAIDED NYLON FLECKED LINE – DURABLE MASON LINE FOR EVERYDAY LAYOUT Braided Nylon Flecked Line is a reliable, high-strength mason line designed for...

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    $26.35 - $52.61
    $26.35 - $52.61
    $26.35 - $52.61
    $26.35
  • Bon Tool Blue Bayou orange mason line with black flecks used for high visibility layout on masonry jobsite

    Blue Bayou™ Bonded Braided Nylon Mason Line – #24, 685 ft (250 lb Test, Multiple Colors)

    $49.41 - $56.38
    $49.41 - $56.38
    $49.41 - $56.38
    $49.41

    HIGH-STRENGTH BONDED BRAIDED MASON LINE DESIGNED FOR DURABILITY, ABRASION RESISTANCE, AND RELIABLE JOBSITE PERFORMANCE The Bon Tool Blue Bayou™ bon...

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    $49.41 - $56.38
    $49.41 - $56.38
    $49.41 - $56.38
    $49.41
  • Bon Tool JAG clamp line holders used on brick wall securing mason line for vertical and horizontal alignment

    JAG Clamp Line Holder – Adjustable Jaw (Standard & XL, Sold in Pairs)

    $35.26 - $54.12
    $35.26 - $54.12
    $35.26 - $54.12
    $35.26

    VERSATILE LINE HOLDING CLAMPS DESIGNED FOR FAST, SECURE MASON LINE SETUP ON BRICK, BLOCK, AND MORE The Bon Tool JAG Clamp provides a fast and secur...

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    $35.26 - $54.12
    $35.26 - $54.12
    $35.26 - $54.12
    $35.26
  • Bon Tool cast aluminum line stretchers for 4 to 12 inch block sizes used with mason line for straight wall alignment

    Line Stretchers – Cast Aluminum (4"–12" Block Sizes, Sold in Pairs)

    $23.13 - $27.73
    $23.13 - $27.73
    $23.13 - $27.73
    $23.13

    DURABLE LINE STRETCHERS DESIGNED TO KEEP MASON LINE TIGHT AND STRAIGHT FOR ACCURATE MASONRY WORK The Bon Tool line stretchers provide a simple, rel...

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    $23.13 - $27.73
    $23.13 - $27.73
    $23.13 - $27.73
    $23.13
  • Bon Tool heavy duty sliding adjustable line stretchers for 4 to 12 inch block made of cast aluminum sold in pairs

    Heavy Duty Sliding Adjustable Line Stretchers – Cast Aluminum (4"–12" Block, Sold in Pairs)

    $25.32 - $25.32
    $25.32
    $25.32 - $25.32
    $25.32

    HEAVY-DUTY SLIDING LINE STRETCHERS DESIGNED FOR QUICK ADJUSTMENT AND PRECISE MASON LINE ALIGNMENT ON BLOCK WORK The Bon Tool heavy duty sliding adj...

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    $25.32 - $25.32
    $25.32
    $25.32 - $25.32
    $25.32

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