Skip to Content
  1. Products ...
  2. Measuring and Marking
  3. Mason Lines

Mason Lines

Strong, durable and highly visible, our Mason Lines are perfect for setting out straight, accurate lines on site. Made from tough, weather-resistant materials, they’re designed to withstand outdoor conditions and repeated use — ideal for bricklaying, groundwork, and general construction tasks.
Sort By Sort By: Featured
[PTISTRIHBOX12] PTI 250ft Mason Line Reel Box of 12 PTISTRIHBOX12 (4).svg New!

PTI 250ft Mason Line Reel Box of 12

£ 46.26
[PTISTRICBOX24] PTI 250ft Mason Line Box of 24 Refills RKPL2131 1.webp New!

PTI 250ft Mason Line Box of 24 Refills

£ 40.35
[STRI35491] Stringliner Replacement Braided/Bonded String Line Core Only (Black/Orange, 500FT)

Stringliner Replacement Braided/Bonded String Line Core Only

£ 0.00
[STRI25491] Stringliner Braided/Bonded String Lines (Black/Orange, 500FT)

Stringliner Braided/Bonded String Lines

£ 0.00
[STRI45165] Stringliner 3 Pack of 250' Fluorescent String Line Cores, Yellow

Stringliner 3 Pack of 250' Fluorescent String Line Cores, Yellow

£ 9.99
[STRI25905] Stringliner Spare Handle for Stringliner Cores

Stringliner Spare Handle for Stringliner Cores

£ 3.78
[RKPLHANDLE] PTI Mason Line Handle

PTI Mason Line Handle

£ 1.00
[MAR86P] Marshalltown Plastic Line Blocks Twigs set

Marshalltown Plastic Line Blocks Twigs set

£ 6.34
[MAR86] Marshalltown 3 3/4" Wood Line Blocks (Pair)

Marshalltown 3 3/4" Wood Line Blocks (Pair)

£ 2.97