Versatile Guitar Coach Anti-Scratch Fingers Practice Compact Guitar Playing Hands Widening Finger ToolSpecifications:Because of the finger strength exercise, you can use this tool, which will improve your finger posture to play the guitar, and the curved handle will be comfortable to use. Manufactured in 3 different sizes, which can make most people use, and the light texture will not be tired, the high elasticity will make it bounce back quickly for reuse and comfortable. When making plastic, this finger dilator tool is robust and wear-resistant. This tool has 3 different sizes to choose from small, medium and large. The tool extension gel can effectively improve the strength of fingers, hands and wrists, athletes use it in rock climbing, fitness, tennis, baseball, boxing, tennis, golf and other fields, as well as guitarists, bassists, pianists and violinists. Item Name: Finger Expansion ToolMaterial: PlasticFeatures: Flexible Curved Handle, ComfortableSize Details:S: 14cm x 5cm x 1.1cm/5.51" x 1.97" x 0.43" (Approx.) M: 16cm x 5.5cm x 1.1cm/6.3" x 2.17" x 0.43" (Approx.) L: 17.2cm x 5.5cm x 1.1cm/6.77" x 2.17" x 0.43" (Approx.) Notes: Due to the light and screen setting difference, The item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Reminder: It is recommended that you take into account the