High Quality Guzheng Finger Picks for Both Hands Rounded Sides, Gu Zheng Nails Size Medium High Quality guzheng picks- rounded on both sides. (Sound of China Item #A04-4) This set of picks are made of high quality celluloid! They are detail filed with smooth round edge. NO SHARP EDGE THAT MAKES SCRATCHY NOISE! Size Medium at 2.6cm length for the fingers and 3.7cm for the thumb One set includes 8 picks. 4 for the right hand, and 4 for the left hand.