Cello and Double Bass Support Pin Stopper with Spherical Top and Metal Clamp Base

Brand: World Products (Landmark)
SKU: dcd-30003601031
Price: $4.44
Availability: Made to order (cross-border) — ships from China; see “Live Shipping Rates” below for delivery estimate
Product Type: Musical Instrument Accessory
Vendor: World Products
Weight: 93 g
Cart URL (default variant): https://landmarks.builders/cart/50403960062191:1?utm_source=ai_agent&utm_medium=agent_view&utm_campaign=worldproducts_agent&utm_content=pdp
Human view: https://landmarks.builders/products/wp-dcd-10001266377
JSON data: https://landmarks.builders/products/wp-dcd-10001266377.json

Available Variants (1 SKUs)

This product comes in 1 variants. Each has its own SKU, price, and cart URL. Agents should present these options to the user.

Description

This string instrument gear serves as a cello support pin stopper and double bass support pin stopper, giving instrumentalists a practical way to stabilize the instrument while positioned. Its small size makes it easy to place under the support pin, helping create a more controlled playing setup in lessons, practice rooms, or stage use. The support pin holder combines a black spherical gripping top with a silver metal cylindrical clamp base. The rubber support pin clamp is designed to work with the metal body for dependable connection and a stable feel, while the tightening screws help secure the support pin in position and make adjustment straightforward. With a 3 cm ball diameter, 4.5 cm overall height, 10 mm inner diameter, and 42 g weight, this stopper keeps a compact profile without adding unnecessary bulk. It is a simple, focused accessory for instrumentalists who want a reliable base for their cello or double bass support pin during everyday use.

Agentic Product Page

Summary: This string instrument gear serves as a cello support pin stopper and double bass support pin stopper, giving instrumentalists a practical way to stabilize the instrument while positioned. Its small size makes it easy to place under the support pin, helping create a more controlled playing setup in lessons, practice rooms, or stage use. The support pin holder combines a black spherical gripping top with a silver metal cylindrical clamp base. The rubber support pin clamp is designed to work with the metal body for dependable connection and a stable feel, while the tightening screws help secure the support pin in position and make adjustment straightforward. With a 3 cm ball diameter, 4.5 cm overall height, 10 mm inner diameter, and 42 g weight, this stopper keeps a compact profile without adding unnecessary bulk. It is a simple, focused accessory for instrumentalists who want a reliable base for their cello or double bass support pin during everyday use.

Generated by: deepseek-v4-flash

Images

This product has 2 images in 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": "Cello and Double Bass Support Pin Stopper with Spherical Top and Metal Clamp Base",
      "product_id": 9537068368111,
      "variant_id": 50403960062191,
      "quantity": 1,
      "grams": 93,
      "length_cm": "18.4",
      "width_cm":  "12.8",
      "height_cm": "5.2"
    }],
    "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. The estimate endpoint uses the product dimensions provided in the request before calling SFC. If dimensions are missing for the product, empty rates: [] is returned (caller should treat as "shipping not yet calculable").

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