{"id":"DCD-10001466586","sku":"DCD-10001466586","display_title":"Spring Dumbbell","title":"Double-Ended Spring-Style Dumbbell space-saving-Saving Design, Spring Dumbbell, for Arm Training","description":"Core Identity: This engineered fitness equipment is designed to elevate your strength training routine by targeting the upper body with variable tension.\nUnique Design: Featuring a double-ended spring-style dumbbell construction, this piece offers a distinct coiled shape that provides progressive tension as you compress it.\nMaterial: Crafted as a steel dumbbell with coiled spring architecture, it is built to withstand rigorous daily workouts without losing its structural soundness.\nPrimary Function: This innovative spring dumbbell serves as a highly effective tool for focused arm training, helping you build endurance and muscle definition in your hands, wrists, and forearms.\nCompact Efficiency: Designed as a single hand-held dumbbell, its space-saving dimension makes it incredibly easy to store and for quick, efficient workouts anywhere.\n\nEnhance your training schedule routine with this modern exercise equipment, specifically engineered for and strengthen your upper limbs. Designed with a unique double-ended spring-style dumbbell construction, this piece provides progressive resistance that challenges your muscles throughout each movement. The steel dumbbell with coiled spring architecture ensures long performance, maintaining its shape and tension even after countless training workouts. This versatile spring dumbbell is the companion for focused arm training, helping you build grip strength, forearm endurance, and uppermuscle definition. Its compact, single hand-held dumbbell design fits comfortably in your hand and takes up minimal space, making it an ideal addition to your home gym or a convenient travel exercise assistant. Whether you are squeezing in a quick workout at your desk or adding variety to your existing fitness regimen, this sturdy tool delivers efficient, targeted results.\n\nOption: Green, 1 SET","category":{"slug":"fitness","label":"Fitness & Sports","google_path":"Sporting Goods"},"product_category":"Sporting Goods","brand":"SuntekStore","condition":"new","price":"54.39 USD","price_amount":"54.39","currency":"USD","price_valid_until":"2026-10-31","tax":"US sales tax calculated at checkout (prices exclude tax)","availability":"in_stock","inventory_quantity":20,"max_quantity_per_order":10,"shipping":"US:ALL:Standard Shipping:11-21:0.00 USD","delivery_days":{"min":11,"max":21,"unit":"calendar_days_from_order","handling_business_days_max":4},"estimated_delivery":{"if_ordered_on":"2026-10-01","earliest":"2026-10-12","latest":"2026-10-22"},"ships_to":["US"],"shipping_cost":"0.00 USD","return_window_days":30,"return_policy":{"window_days":30,"window_starts":"delivery","condition":"unused, in original packaging","return_shipping_paid_by":"customer (we pay if the item is damaged, defective or not as described)","refund_method":"original payment method","refund_within_business_days_of_receipt":5,"how":"https://suntekstore.com/contact/ with the order number","url":"https://suntekstore.com/returns/"},"package_dimensions_cm":[29.0,18.0,10.0],"weight_g":2200.0,"material":"Steel","package_includes":"Dumbbells ×2","product_dimensions_cm":[28.0,8.5,8.5],"specifications":[{"name":"Use","value":"Upper-limb exercise, fitness training"},{"name":"Form","value":"Coiled"}],"image_link":"https://suntekstore-img.sfo3.digitaloceanspaces.com/p/ad/ad3a7f558d78bdee5c194ad96b841843d4b27601.jpg","additional_image_link":["https://suntekstore-img.sfo3.digitaloceanspaces.com/p/9d/9d46cad557ef95eba449b4af609bbc1313c56824.jpg","https://suntekstore-img.sfo3.digitaloceanspaces.com/p/71/71a23463c0d3109d34e1d9fc7c18fb56da1af1a2.jpg","https://suntekstore-img.sfo3.digitaloceanspaces.com/p/82/82c4c0112a6d5dc899eab979463fe99e14ac49c2.jpg","https://suntekstore-img.sfo3.digitaloceanspaces.com/p/1e/1e87e32c09a99388cacc74b68d32dfed57db6b2f.jpg"],"thumbnail_link":null,"link":"https://suntekstore.com/p/DCD-10001466586/","markdown_url":"https://suntekstore.com/p/DCD-10001466586.md","json_url":"https://suntekstore.com/products/DCD-10001466586.json","buy_url":"https://suntekstore.com/buy/DCD-10001466586?qty=1","prop65_warning":null}