With a 3-level adjustable strength hand grip, you can effectively train your finger strength. - Strength adjustment: 3 levels of strength adjustment are possible (6.6LB, 8.8LB, 11LB, 13LB, 17LB, 21LB) - Material: Made of durable plastic - Accessories: With adjustable grip - Purpose: Training equipment to strengthen finger strength I inspect items before listing them, but If there are any problems, please contact us before leaving a review.ᐟ.ᐟ ❏ Great deals are posted on my profile ❣️ Please take a look ✨ ❏ Anonymous shipping & Free shipping ❏ Immediate purchase welcome ♡ ❏ Ships in simple packaging ◎ (may be compressed) ❏ Please feel free to ask any questions if you have any unclear points ^^ ✼••┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈••✼ Click here for a list of #PetitBonheur products ✨ # See all products from Petit Bonheur Zacca ✨ ⭐️ I have many other items listed above ⭐️ ✼••┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈••✼ 45 K12①26-3-4-5 2024 New Arrival Mosasa Finger Power Finger Trainer 2pcs Finger Training Grip Strength 3 Adjustable Resistances 6.6LB/8.8LB/11LB 13LB/17LB/21LB For Elderly Finger Stretcher Piano Finger Training Care Strengthening Training Grip Aid Adjustable for Each Finger Finger Trainer For Elderly Unisex Black+Gray