Elagon (ARL) Pro Care Kit Metallic String Action Ruler / String Action Gauge.

Action ruler for measuring several guitar/strings settings for optimum setup and playability. For all electric guitars, acoustic guitars, classical guitars, bass guitars and other stringed instruments.

• Easy to use, it’s the perfect tool for setting up your guitar for for optimum playability or to suit your personal taste.

• The ruler is made of durable stainless steel. All measurements are in metric and Imperial units.

• String height measurement scale, measurement scale for saddles, pickup pole pieces (pickup screws) and nuts, bridge saddle slot and fret slot depth measurement scale, string action setup measurement guide (center grid), string, bridge saddles and nut string spacing measurement scale.

• Don’t forget to remove the plastic protection film! Instructions card included.

• Dimensions: 9 x 5 cm/3.5 x 2 in.