Music Nomad MN820 Tri-Beam 3 & 1 Straightedge Ruler & Scale Length Ruler Overview:

Diagnosing how to level your frets and fingerboard has never been easier with MusicNomad’s patent-pending Tri-Beam Straightedge. Creating a new higher standard our unique 3-wall triangle design gives you the 3 critical lengths 17.6″ (44.7cm) 12″ (30.5cm) 6.5″ (16.5cm) to isolate and identify global or localized fret and fingerboard issues up and down the neck. Using the highest quality aluminum and manufacturing techniques ensures straightness of the entire length and critically importantly polished smooth flat edges. A big bonus the Tri-Beam has SAE and Metric ruler markings plus 13 of the most popular guitar and bass fret scale lengths to quickly check the scale length you are working on. We even include a convenient hang hole. That’s MusicNomad quality – raising the bar in equipment care.

• Our patent-pending 3 ‘n 1 precision straightedge sets a new higher standard. Its unique triangle 3 wall design is easy to hold flex-free and includes the critical straightedge sizes of 17.6″ (44.7cm) 12″ (30.5cm) and 6.5″ (16.5cm) in one Tri-Beam tool. No other product has 3 Straight edges in 1.
• Specifically designed for Luthiers and DIY’ers it helps check if the frets and fingerboard are levels when diagnosing playability issues.
• Includes SAE and Metric rulers for quick measurements plus 13 of the most popular guitar and bass fret scale lengths so you can quickly check the scale of any guitar or bass on your bench. Additionally from the 12th fret you can quickly check the approximate bridge placement using the fret scale length ruler. The scale length ruler also helps determine which MusicNomad Fret Shield (sold separately) to buy.
• Designed by our Sonoma CA (USA) team the premium quality 6063-T5 Aluminum has a blue anodized finish that is extremely durable abrasion resistant and does not peel or chip. Imprecision is eliminated through a single setup continuous 5-axis CNC producing flawless features on all surfaces of our innovative profile. Convenient hang hole included.
• All 3 straightedges are precision ground and lapped to ensure smooth flat edges within an accuracy tolerance of +/-.00125″/ft.