# Piano Door Opening Gauge

Full listing title: Door Opening Gauge Tool Precision Piano Regulation Gauge Small Size Piano String Ruler for Technicians

- SKU: DCD-10001199484
- Price: 17.89 USD (excludes sales tax; tax calculated at checkout). Price valid until 2026-10-31.
- Availability: In stock (20 available; up to 10 per order)
- Shipping: free standard shipping, United States only; delivered in 12-22 days from order (leaves the warehouse within 4 business days)
- Estimated delivery if ordered today (2026-10-01): 2026-10-13 to 2026-10-23
- Returns: 30 days from delivery for unused items in original packaging; customer pays return shipping unless the item is damaged, defective or not as described; refund to the original payment method within 5 business days of receiving the return (https://suntekstore.com/returns/)
- Category: Music & Luthier (Arts & Entertainment > Hobbies & Creative Arts > Musical Instruments)
- Condition: new; brand: SuntekStore
- Package size: 17 x 5 x 2 cm (6.7 x 2.0 x 0.8 in)
- Weight: 0.10 kg (0.22 lb)
- Material: Metal
- In the box: Fixed Door Opening Measuring Tool ×1
- Product size: 15 x 2.5 x 0.5 cm (5.9 x 1.0 x 0.2 in)
- Instrument type: Piano
- Product type: Door opening gauge tool
- Use: For technicians
- Feature: Precision regulation gauge

## Description

Product Type: This piano regulation gauge is a compact hand tool designed for technicians who need a reliable measuring tool for door opening checks and fine adjustment work on acoustic pianos.
Primary Function: As a piano tuning tool, it helps measure and verify the opening position with consistent control, making setup work easier during regulation and service.
Adjustable Design: The adjustable measuring gauge style gives you flexible positioning for different working needs, so you can adapt the tool to the mechanism instead of relying on guesswork.
Work Efficiency: Built for accurate, repeatable measurement, this piano regulation gauge helps trial-and-error during maintenance, saving time when you are setting or checking action-related spacing.
Practical Use: Ideal for piano technicians, it supports careful regulation tasks by helping achieve a more even, controlled opening result, which can improve the overall consistency of the instrument's response.

This compact door opening gauge tool is designed for technicians who need a dependable way to measure and adjust piano action settings with confidence. As a hand tool, it is small enough to carry in a repair kit, yet practical enough for detailed regulation work on acoustic pianos. Its main job is to act as a piano tuning tool and measuring tool for checking opening positions with stable, repeatable results. When you are working inside a piano and need to confirm spacing or movement, having a dedicated gauge helps you avoid guesswork and keeps adjustments more consistent from a single key to the next. The adjustable measuring gauge design adds real flexibility, especially when different instruments or mechanisms call for slightly different setup points. Instead of forcing a one-size-universal approach, you can position the tool to match the task and work more efficiently. For busy technicians, that means less time spent rechecking and more time getting the regulation successful immediately. Whether you are servicing a workshop piano, doing a fine-tune at a customer’at a client's location, or handling routine maintenance, this piano regulation gauge is built to support careful, controlled work and a more even end result.

Option: Fixed Door Gauge

## How to buy

Open https://suntekstore.com/buy/DCD-10001199484?qty=1 (change qty to 1-10). It redirects to Stripe Checkout; the shopper enters a US shipping address and pays there. No account or cart needed.

## Links

- Product page: https://suntekstore.com/p/DCD-10001199484/
- JSON: https://suntekstore.com/products/DCD-10001199484.json
- Image: https://suntekstore-img.sfo3.digitaloceanspaces.com/p/3b/3b253def01c98e4025bffb7fb301920e68b2db5a.jpg
- Store policies: https://suntekstore.com/llms.txt