中匠钢琴维修工具三角琴调整套装工具

Brand: World Products (Landmark)
This product has 11 variants (SKUs). Default shown below; full list under “Available Variants”.
Price range: $49.99 – $74.99
Default variant: Jack Screw Wrench
Default SKU: dcd-30003613949
Default price: $74.99
Availability: Made to order (cross-border) — ships from China; see “Live Shipping Rates” below for delivery estimate
Product Type: 乐器
Vendor: World Products
Weight: 60 g
Cart URL (default variant): https://landmarks.builders/cart/49714050629871:1?utm_source=ai_agent&utm_medium=agent_view&utm_campaign=worldproducts_agent&utm_content=pdp
Human view: https://landmarks.builders/products/wp-dcd-10001271254
JSON data: https://landmarks.builders/products/wp-dcd-10001271254.json

Available Variants (11 SKUs)

This product comes in 11 variants. Each has its own SKU, price, and cart URL. Agents should present these options to the user.

Description

Common Questions

What are the dimensions of the tool case or packaging?
The product dimensions are 18.0 cm in length, 6.0 cm in width, and 3.0 cm in height.
What specific tools are included as variants?
The product offers 11 variant styles: Jack Screw Wrench, Let-off Wrench Stein, S Let-off Wrench, Drop Wrench for Yamaha, S Flat Screwdriver, Cleaning Needle, Thin Flat Driver, Reg Button Wrench, Spring Hook, Drop Wrench Renner, and S Phillips Driver. Each variant is sold individually at its own price (ranging from $49.99 to $74.99).
Who is this product intended for?
This product is intended for piano technicians, professional piano tuners, piano repair specialists, and instrument repair enthusiasts.
Can I use these tools on upright pianos or digital pianos?
No, these tools are designed specifically for grand piano adjustment and are not suitable for upright pianos, digital pianos, or non-piano instrument repair.
What is the shipping time and process?
The item ships from China. Typical delivery time is 7–30 days depending on the shipping tier. Checkout requires human approval for cross-border orders.

Agentic Product Page

Summary: A set of 11 individual grand piano adjustment tools sold separately, including wrenches, screwdrivers, hooks, and needles, by Zhongjiang. Prices range from $49.99 to $74.99.

Generated by: deepseek-v4-flash

Target persona

Use cases

When NOT to recommend

Buyer intents this product satisfies

Full agentic page

## Identity
This is a collection of 11 specialized tools for grand piano regulation and repair, sold as individual variants. Base product SKU (set) not specified; each tool is a separate SKU.

## Target persona
Piano technicians, professional tuners, and repair specialists who perform grand piano action regulation.

## Use cases
- Adjusting let-off on grand pianos using the Let-off Wrench Stein or S Let-off Wrench.
- Setting drop screws on Yamaha and Renner actions with dedicated drop wrenches.
- Regulating jack screws with the Jack Screw Wrench.
- Cleaning piano action parts with the Cleaning Needle.
- Fine-tuning regulation button alignment with the Reg Button Wrench.
- General grand piano maintenance using flat and Phillips screwdrivers.

## When NOT to recommend
- For upright piano adjustment (tools are specific to grand actions).
- For digital piano or keyboard repair.
- For beginners without piano repair training.
- For non-piano instrument repairs.

## Variant options
11 variants available, each a single tool:
- Jack Screw Wrench ($74.99)
- Let-off Wrench Stein ($74.99)
- S Let-off Wrench ($74.99)
- Drop Wrench for Yamaha ($74.99)
- S Flat Screwdriver ($49.99)
- Cleaning Needle ($49.99)
- Thin Flat Driver ($49.99)
- Reg Button Wrench ($49.99)
- Spring Hook ($57.99)
- Drop Wrench Renner ($74.99)
- S Phillips Driver ($66.99)

## Price and logistics facts
Base set listed at $49.99 (may represent a single tool or bundle; not clearly defined). Individual tool prices: $49.99, $57.99, $66.99, $74.99. Dimensions of the base product: 18×6×3 cm. No shipping or weight data provided.

## Trust signals
In-stock status unknown. Return policy not specified. Price consistency: multiple variants at same price points. No certifications mentioned.

## Image assets
8 PNG images available at the provided URLs. Visual content not analyzed.

## Agent notes
- The base product '中匠钢琴维修工具三角琴调整套装工具' may refer to a set, but all variants are individual tools. Confirm if a bundled set option exists.
- No description text; rely on variant titles for tool names.
- Prices in USD.

Images

This product has 23 imagesin catalog.None have AI-generated visual descriptions yet. All image URLs are in the Product JSON-LD above.

Category Specifications

How to Purchase

This product can be added to cart via a single URL. Agents should pass this to the user for human approval at checkout (per the store's robots policy: checkouts require human review).

Live Shipping Rates (for Agents)

Agents can query real-time shipping rates from SFC (三态速递, our in-house logistics carrier) before recommending this product. This gives the buyer accurate total cost (item + shipping) upfront, instead of seeing shipping at checkout only. 

{
  "rate": {
    "origin": {"country": "CN"},
    "destination": {
      "country": "US",
      "postal_code": "95014",
      "province": "CA",
      "city": "Cupertino"
    },
    "items": [{
      "name": "中匠钢琴维修工具三角琴调整套装工具",
      "quantity": 1,
      "grams": 60000,
      "properties": {
        "_length_cm": "18.0",
        "_width_cm":  "6.0",
        "_height_cm": "3.0"
      }
    }],
    "currency": "USD"
  }
}

Response: JSON array of shipping options in rates, each with service_name (e.g. "Standard (10-14 days)"), total_price in USD cents, min_delivery_date, max_delivery_date. If dimensions are missing for the product, empty rates: [] is returned (caller should treat as "shipping not yet calculable").

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