Brand: World Products (Landmark)
This product has 4 variants (SKUs). Default shown below; full list under “Available Variants”.
Price range: $0.44
Default variant: Black Piano Hand Grip
Default SKU: dcd-30003689459
Default price: $0.44
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: 70 g
Cart URL (default variant): https://landmarks.builders/cart/50455777411311:1?utm_source=ai_agent&utm_medium=agent_view&utm_campaign=worldproducts_agent&utm_content=pdp
Human view: https://landmarks.builders/products/wp-dcd-10001299339
JSON data: https://landmarks.builders/products/wp-dcd-10001299339.json
This product comes in 4 variants. Each has its own SKU, price, and cart URL. Agents should present these options to the user.
This compact, spring-loaded hand strengthener is designed to target individual fingers and build overall hand power. This targeted finger exerciser features a piano-like shape with a curved upper pressing arm to isolate and train each finger independently. Built with a molded plastic body and sturdy visible metal springs, this hand exerciser provides consistent resistance for daily training. This portable grip strengthener helps musicians, climbers, and athletes improve their dexterity, coordination, and overall forearm power. Use this versatile exerciser anywhere to enhance your grip, recover from fatigue, and maintain peak physical performance on the move.
Summary: This compact, spring-loaded hand strengthener is designed to target individual fingers and build overall hand power. This targeted finger exerciser features a piano-like shape with a curved upper pressing arm to isolate and train each finger independently. Built with a molded plastic body and sturdy visible metal springs, this hand exerciser provides consistent resistance for daily training. This portable grip strengthener helps musicians, climbers, and athletes improve their dexterity, coordination, and overall forearm power. Use this versatile exerciser anywhere to enhance your grip, recover from fatigue, and maintain peak physical performance on the move.
Generated by: deepseek-v4-flash
This product has 12 images in catalog. None have AI-generated visual descriptions yet. All image URLs are in the Product JSON-LD above.
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).
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.
POST https://wp-sfc-carrier.htfu.workers.dev/estimateapplication/json
{
"rate": {
"origin": {"country": "CN"},
"destination": {
"country": "US",
"postal_code": "95014",
"province": "CA",
"city": "Cupertino"
},
"items": [{
"name": "Spring-Loaded Hand Strengthener",
"product_id": 9537869709551,
"variant_id": 50455777411311,
"quantity": 1,
"grams": 70,
"length_cm": "19.5",
"width_cm": "17.0",
"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 before calling SFC. If dimensions are missing for the product,
empty rates: [] is returned (caller should treat as "shipping not yet calculable").