Square Shape Hard Steel Piano Tuning Hammer Wrench Tuner Spanner Tool Brown shaft

Description The metal shaft of this piano tunning wrench is made of hard steel which is rust and corrosion resistance. It s easy and convenient to use with anti-skid handle and L shape. This is specially designed for tuning of Guzheng and for most machine devices that have quadrilateral opening. Features - Color: Shown in the pictures. - Material: Engineering plastics & Steel. - Inner bore size: (Approx.) 0.65cm / 0.26inch. - Total Length: (Approx.) 16cm / 6.3 inch. - Handle Length: (Approx.) 12cm / 4.7 inch. - Sturdy and smooth handle. Anti-slip for comfortable gripping and handling. - L-shape design easy and effortless to use it. - Small and lightweight convenient to carry. - The metal shaft is made of hard steel abrasion resistance. - Specially designed for tuning of Guzheng and for most machine devices that have quadrilateral opening.