Features:

With scale for string height， for ridge saddle slot depth and for nuts saddles and polepieces.

With conversion chart of string action at 12th fret printed on one side.

Long lasting etched printing， the printing will not wear off from long use.

Suitable for string instruments such as guitar， bass， mandolin， banjo， etc.



Specifications:

Material: Stainless steel

Unit: mm / in

Scale for string height: 0.01-0.14in / 0.25-3.50mm

Scale for bridge saddle slot depth: 0-0.875in / 0-20mm

Scale for nuts saddles and polepieces: 0-0.75in / 0-20mm

Ruler size: 8.9 * 5.1cm / 3.5 * 2in (length * width)

Ruler weight: 21g / 0.7oz



Package including:

1 * String Action Ruler

1 * Instructions for Use