◆Immediate purchase OK / Ships via Mercari便◆ Sets with different quantities and 25mm shaft versions are also available. Search by newest first ➡︎ #DumbbellCollar✧ ♛ Manufacturer Genuine Product ♛ Brand New / Unused ♛ High-Quality Construction ♛ Highly Durable Chrome Plating ♛ Ultra-Strong Locking Force ♛ Easy attachment/detachment with a ∠15° design from the grip handle to the circle ♛ Immediate 24-hour shipping via "Mercari便" (anonymous shipping with compensation) that delivers even on weekends and holidays! We have sourced numerous similar products, compared and verified various elements, and are confident in recommending this exceptional item that we feel is the best overall✧˖° Its overall quality is high, and we can recommend it to everyone with confidence♪ A great ally for home trainers who find it difficult to acquire fixed dumbbells! An optimal item for adjustable dumbbells★ You can use them for various weight training and lifting exercises, starting with the big three: bench press, deadlift, and squat. Compatible with 28mm shafts from a wide range of manufacturers such as: ・Ivanko ・Irontec ・Fighting Road ・Wild Fit ・Body Maker ・Leading Edge ・Martial World ・Pure Rise As long as they are the same 28mm standard, both screw shaft / normal shaft types are OK☆ Can also be used on barbell shafts, W bars, EZ bars, and triceps bars. ◆Features of Spring Collars◆ ・Allows for speedy weight changes, making drop sets, super sets, and other advanced training techniques easier, improving training efficiency. ・Unlike screw collars, they don't take time or loosen during use, so you can maintain concentration without stress. ・Shortens total workout time. ・Synergistic effect increases pump, leading to improved muscle hypertrophy and strength. ◆Overview◆ Weight: 35g/1 piece Material: Spring steel, plastic Diameter: 28mm Quantity: Set of 6 (3 pairs) ◆Other◆ ※This is for 28mm shafts. Search by newest first ➡︎ #DumbbellCollar✧ Bodybuilding Physique Gold's Gym 28⑥DN