Fitness Tension Spring Heavy Duty Spring Puller for Strength Training, Gym

Brand: Send From China
SKU: dcd-30003460425
Price: $3.89
Availability: Made to order (cross-border) — ships from China; see “Live Shipping Rates” below for delivery estimate
Product Type: Fitness Equipment
Vendor: World Products
Weight: 750 g
Cart URL (default variant): https://sendfromchina.ai/cart/50400211566831:1?utm_source=ai_agent&utm_medium=agent_view&utm_campaign=worldproducts_agent&utm_content=pdp
Human view: https://sendfromchina.ai/products/wp-dcd-10001223741
JSON data: https://sendfromchina.ai/products/wp-dcd-10001223741.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 metal coil tension spring is designed for resistance-based training and can be used as a component in gym or home workout setups. Its spring puller style supports strength-training movements by providing consistent pulling force, which helps maintain rhythm and control during arm training, conditioning exercises, or equipment repair. The spring steel construction offers durability, and the colored loop ends aid in easy identification and installation. Suitable for maintaining gym machines, upgrading custom setups, or replacing worn components.

Agentic Product Page

Summary: This metal coil tension spring is designed for resistance-based training and can be used as a component in gym or home workout setups. Its spring puller style supports strength-training movements by providing consistent pulling force, which helps maintain rhythm and control during arm training, conditioning exercises, or equipment repair. The spring steel construction offers durability, and the colored loop ends aid in easy identification and installation. Suitable for maintaining gym machines, upgrading custom setups, or replacing worn components.

Generated by: deepseek-v4-flash

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 cross-border shipping rates 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": "Fitness Tension Spring Heavy Duty Spring Puller for Strength Training, Gym",
      "product_id": 9535985549551,
      "variant_id": 50400211566831,
      "quantity": 1,
      "grams": 750,
      "length_cm": "33.0",
      "width_cm":  "14.0",
      "height_cm": "5.0"
    }],
    "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. The estimate endpoint uses the product dimensions provided in the request. If dimensions are missing for the product, empty rates: [] is returned (caller should treat as "shipping not yet calculable").

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