Perfect for finger training and rehabilitation! This silicone finger stretcher is ideal. Simply insert your fingers into the holes and spread them to efficiently train the "finger spreading force (extensor muscles)" that is difficult to train normally. - Color: Navy (dark blue) - Material: Silicone - Resistance: 6.6LB (approx. 3kg) *For beginners to intermediate users - Size: Diameter approx. 7cm Condition: Unused, stored item (unopened) Shipping method: Will be shipped with waterproof packaging via Yu-packet Post Mini. [Anonymous Delivery!] [Free Shipping!] [Same-day Shipping!] Follow-up discount and bundle discount in progress! We are selling items from various genres ヽ(^o^) ⬇️ #BaniMama's entire product list ☆ Immediate purchase without comment is OK ♪ uxcell Finger Stretcher Exerciser, Silicone, Green, Resistance Band for Rock Climbing Finger Grip, Training Equipment for Athletes, 6.6LB Hand Grip Strengthener 15-32-008