Price: $79.99 - $75.99
(as of Feb 20, 2026 04:49:58 UTC – Details)

Product description

1 22LBS

2 33LBS

3 44LBS

4 66LBS

5 88LBS

【4-in-1 Deluxe Dumbbell Set】: The KEY2FUN adjustable dumbbell set provides dumbbells, a barbell, kettlebells, and a push-up rack. It enables progression from beginner to professional fitness levels, with adjustable weights allowing precise targeting of muscle groups and training intensity
【HDPE Eco-Friendly Material】: Crafted from premium HDPE eco-friendly material, this dumbbell set demonstrates 50% greater wear resistance than PP material in laboratory testing. Their hardness and texture are equally impressive, making them a safe, eco-conscious choice. They represent both quality and a long-term investment
【Dual-Nut Design Enhances Safety】: KEY2FUN dumbbells feature a dual-nut anti-slip mechanism, offering significantly greater safety than standard single-nut dumbbells. This ensures zero wobble even with heavier weights, allowing you to focus fully on your workout and immerse yourself in your training
【Expanded Weight Configuration】: Dumbbell plates feature a detachable design, allowing individual dumbbells to be adjusted from 5.5 lbs to 44 lbs, kettlebells from 5.5 lbs to 22 lbs, and barbells from 5.5 lbs to 88 lbs. Tailor the weight configuration to your training intensity, enabling systematic workouts with a single dumbbell set
【Non-slip Dumbbell Handles】: The handles feature a premium PP material surface with an anti-slip textured design, enhancing grip friction for superior control during workouts. This facilitates more effective arm muscle training
【Detachable Barbell Bar】: The barbell connection bar is crafted from stainless steel and premium sponge material. The non-slip sponge conforms snugly to the neck during use. Exceptionally soft and breathable, it offers outstanding sweat absorption, ensuring sustained comfort throughout your workout
【100% After-Sales Assurance】: KEY2FUN is committed to delivering premium service and products, with all items rigorously tested and selected. Should you have any queries, please do not hesitate to contact us. We shall respond to your message at the earliest opportunity upon receipt