Description Piano tuning pin is made from plastic, manganese steel material, which is high strength and practical, providing you a lasting time. Piano tool features piano ratchet head, suitable for use with power tools, used to drive tuning pin. Features -Color:Multi -Material:Plastic, manganese steel -Size: 8.20X1.40X1.40cm/3.22X0.55X0.55in - Safe and convenientto use, not easy to break or deform, reusable and can be applied forlongtime. - Piano tuning pin tool is professional, precise and strong for piano tuning. - Piano tuning tool tip fits at several angles and provides extra flexibility - Quickly remove the piano tuning pins and will never damage the pin - Piano tuning key is easy to use, suitable for professionals and enthusiasts Package list: 1 x electric bit 1 x socket