Finger Picks Stainless Steel Plectrums Adjustable Guitar Finger Picks for Slide Guitar Banjo Ukulele Pack of 3 Ergonomically designed for player comfort Stainless Steel Finger Picks Fit For Slide Guitar Banjo Ukulele Thumb & Finger Picks: comfortable, easy to use, won't grind your finger; Metal material picks can be adjusted to fit your fingers Gives the player a warm tonal response and increased control Finger pick diameter approximately 0.6-0.7 inches and inner circumference about 1.9-2.2 inches. Check out the size and shape from the product details.