MusicNomad Tri-Beam 3 'n 1 Straightedge, Plus SAE/Metric Ruler & Scale Length Ruler for Acoustic & Electric Guitars (MN820)

MusicNomad Tri-Beam Ruler, 3-In-1 Precision ruler for Acoustic Guitars, Electric Guitars and Electric Basses, For quickly checking the scale length of guitars and basses, Includes SAE and metric rulers for quick measurements as well as 13 of the most common guitar and bass fret measurements, Includes the critical lengths of 44.7 cm (17.6"), 30.5 cm (12") and 16.5 cm (6.5"), Specially developed for guitar makers and do-it-yourselfers, Quickly check that frets and fingerboard are level to diagnose playability problems, Also suitable for checking the approximate position of the bridge from the 12th fret onwards, Unique triangular, three-walled design, Bend-free and easy to handle thanks to innovative profile, Made of high quality 6035-T5 aluminium, Accuracy tolerance of +/- 0.00125"/ft, Durable and abrasion-resistant blue anodised surface, Convenient hanging hole, Dimensions (L x W x H): 447 x 25.4 x 25.4 mm