Master Marker


“New ON/OFF Magnet”




Product Description

  • For 8″ to 48″ pipe and 48″ structural beams.
  • Structural beam layouts and marking angles or saddles on pipe and tubing are a snap with the Master Marker.
  • Replace multiple templates just with one tool.
  • The Master Marker comes with a unique design that allows you to telescope out over existing welds to layout angles or change the angles of pipe fittings to meet your special needs.
  • Redesigned marking arm is completely separate from the main body.
  • It has its own 360° rotating shaft with a built-in leveling vial.
  • The arms have spring-loaded joints for smooth and precision operation and telescopes to eliminate uneven surface problems.
  • Saddles and angles on pipe and structural beams are made easy.
  • NOW COMES IN ITS OWN CUSTOM CARRYING CASE (p/n 8900) that can also be ordered separately.
  • Structural Adaptor is included.  Structural Adaptor aligns tool base exactly parallel to edge of structural steel beams and channel iron.
  • It is machined from quality aluminum material then anodized for lasting protection.



* A Spring Buckle Strap #5010 is available to hold base tight on non-magnetic work materials.

The ON/OFF switch makes setting up easy and keeps the block free from debris. 
Miter & Master Markers
MMS505 & MML510

↓↓ Video en Espańol ↓↓

Marcador de Tuberia
MMS505 & MML510

Warning:  Excessive heat can damage the magnets.  Keep magnet block away from sensitive electronic devices.  Keep magnet block in “OFF” position when not in use.
* Download the FWI Pipe Saddle ChartSaddle Chart
* Download the MML510 Instruction Guide

Saddle Chart

↓↓         Video en Espańol      ↓↓

Grafico de Montaje para Tuberia