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Quick Details

  • Place of Origin: Guangdong, China (Mainland)
  • Brand Name: OEM
  • Model Number: R04
  • Use: Guitar
  • Type: String Action Ruler
  • Color: Silver+Black
  • Material: Steel
  • For: Guitar Strings

Packaging & Delivery

Packaging Details: Transparent plastic bag Separate packing each one set
Delivery Detail: 5-7days

Guitar String Action Ruler Gauge Tool - Stainless Steel Double Sided Multi Function Guitar Luthier Accurate String Measurement for Electric Bass and Acoustic Guitar


Product Description
Product Description


A) Competitive Factory Price and Flexible trade:

Online wholesale, OEM & ODM Accepted;

B) 15 years Professional music instrument Accessories manufacturer, dedicated tomanufacturing best quality guitar Accessories,ukulele Accessories, violin Accessories, mandolins Accessories, banjo Accessories, etc.


C) Our quality is guaranteed in the higher level in China and the word.many of our products have obtained the national patent certificate and brand certification.

D) Our products win great recognition for customers all over the world .


Established in 2003, Beiyin Music Instrument Accessories CO;LTD professionally manufactures acoustic guitar Accessories, ukulele Accessories, violin Accessories, mandolins Accessories, banjo Accessories, etc.




1. More than 15 years experienced manufacturer in musical instrument accessories.


2.OEM ODMproduction is welcome. ,If you have ideas please send the gerber data to us.We will reply you as soon as possbile.


3.We have a professional R&D team dedicating in creational new more products


4.We have a QC team allowing quality control on every process of production.


5.We are the VIP membership of China musical instrument industry club , we have a number of outlets in China.


6.Our products have bee sold to Europe, the United States and Asia and other global markets, musical instrument manufacturers, distributors around the world, Amazon and WAL-MART online global market.


Product Details



Material: Steel
Fraction/Decimal/ Metric conversion chart on back
Quality:Made of durable Stainless Steel ,Convenient , compact credit-card sized rule.
Faster and more accurate than using a ruler.
Pay this one gauge, saving you the cost of two seperate gauges.

Can be used to measure:
String height
Bridge saddle height
Saddle slot depth
Fret slot depth (unbound fingerboards)
Nut height
Pickup pole piece height

Package included:
1X Guitar Measuring Ruler


Product Pictures



Stainless Steel, Durable, Beautiful and Widely Used


Pocket Sized, Convenient for Taking to Everywhere You Like   


  Double sided, Imperial (inches) One Side, Metric (millimetres) On The Other.


With Conversion Chart of String Action at 12th Fret Printed.


Use To Measure: Nut / String / Bridge / Pickup Pole Piece / Saddle Height Plus Saddle Slot/ Fret Slot Depths


Perfect Accurate Action Measurements for String Instruments Such as Guitar, Bass, Mandolin, Banjo etc


Product Description Descriptions:


How do you know when you need an adjustment and how do you measure it accurately? When you play guitar or bass from time to time, notice that your instrument isn't playing its best.


This Pocket size tools fit your needs: Small enough to fit in your guitar case and strong enough to last forever this is the perfect measurer to check your guitars action, find out if you need an adjustment, and then measure that adjustment with precision


It is real helpful if you change string gauge, requiring multiple changes to your bridge and pickup height.




Material: Stainless steel


 Application: electric guitar, bass and acoustic guitar 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: 23g / 0.8oz


Package includes:


1 x String Action Ruler for String Instrument 1 x Instruction paper card



Product Pictures




Company Information
Company Information

Beiyin Musical Instrument Accessories Co., Ltd, established in 2003, Located in Huizhou, Guangdong,China's largest guitar production base. We are the Professional Musical Instrument Accessories manufacturer. Dedicated to manufacturing best quality

acoustic guitar, classical guitar, electric guitar,bass, ukulele, violin, mandolins, banjo, etc musical Instrument accessories .

Including electronics, hardware, plastic, bone and other accessories, and guitar pickups and other semi-finished products, EQ products and so on.....For Fender guitar ,Gibson guitar, Epiphone guitar ,Jackson guitar ,Martin guitar .......

Our company has a strong team,including best R&D technicians,QC technicians and sales person,our quality is guaranteed in the higher level in China and the word.many of our products have obtained the national patent certificate and brand certification.

We have business outlets in more than 200 cities in China, our products are exported to Europe, the United States and Asia and other global markets, musical instrument manufacturers, distributors around the world, Amazon and WAL-MART online global market.

Our business philosophy is "To create winwin integrity, customer first, the pursuit of the perfect cooperation." constantly to provide customers with high quality products.

We willing to sincerely cooperate with you, Together create brilliantly career!

Company Overview

Packaging & Shipping
Packaging & Delivery

Export carton packing




Payment: T/T , L/C , Western Union , PayPal

Our Services


Our Service

1. We have our own factory.

2. Inspection service: Our professional QC team will inspect the guitars accessories.

3. OEM ODM support.  

4. Value-added service: We always update new product recommendations





1) What is the MOQ ?

Accessories: 100pcs

2) How long is the quality guarantee?

For quality guarantee for 6 months no human damage.

3) How long the delivery time?

Accessories: 7~20 days

Wholesale in our factory brand in stock: 1~3 days

All the days mentioned above are counted from after receiving your payments.

4) What is your payments terms ?

We accept T/T, L/C, Western Union and PayPal.

For OEM: 30% T/T deposit first, the balance before the shipments.

For sample order: 100% full payment first.

5) How much for the shipment cost ?

At first, please let us know the following details:

(1) mode of transport (by express, by air or by sea )

(2) your address, or the name of your nearest airport / sea port.

(3) your order quantities.

So that we will check the shipment cost for you asap.

Any questions please feel free to contact me.



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