◆Immediate purchase OK / Ships via Mercari便◆ Sets with different quantities and 28mm shaft versions are also available. Search by newest first ➡︎ #ダンベルカラー∴ ♛ Manufacturer Genuine Product ♛ Brand New / Unused ♛ High-Quality Construction ♛ Highly Durable Chrome Plating ♛ Ultra-Strong Locking Power ♛ Easy attachment/detachment with a ∠15° design from grip handle to circle ♛ Immediate 24-hour shipping via anonymous, insured "Mercari便" that delivers even on weekends and holidays! After procuring numerous similar products and comparing various aspects, this is a product I wholeheartedly endorse as the best ✧˖° The overall quality is high, and I can confidently recommend it to everyone ♪ A great ally for those who find it difficult to acquire fixed dumbbells, for home gym/home training enthusiasts! 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 25mm shafts from a wide range of manufacturers such as: ・YAMAZEN ・U-TEN ・RIORES ・CENTURION ・WAUT ・MOJEER ・PROIRON ・TOPFILM As long as it's the same 25mm standard, both screw shafts and normal shafts are OK ☆ Also usable on barbell shafts, W bars, EZ bars, and triceps bars. ◆Features of Spring Collars◆ ・Enables speedy weight changes, making it easy to perform advanced techniques like drop sets and super sets for increased training efficiency. ・Unlike screw collars, they don't cause hassle or loosen midway, allowing for sustained concentration without stress. ・Shortens total workout time. ・Synergistic effect increases pump, leading to improved muscle hypertrophy and strength. ◆Overview◆ Weight: 35g/piece Material: Spring steel, plastic Diameter: 25mm Quantity: Set of 4 (2 pairs) ◆Other◆ ※This is for 25mm shafts. Search by newest first ➡︎ #ダンベルカラー∴ Bodybuilding Gold's Gym IROTEC Myprotein 25④H07