Product details of Professional Metal Watch Back Case Cover Opener Repairing Tool Set Kit

Light in weight makes it easy to carry with you.
Specially designed for opening and closing the back cover with concave and notch embedded back cover watch.
Suitable for watch makers and watch repairing workers.
Made of quality metal and plastic material, durable and suitable for all types of watch.
Maximum open diameter of 55mm, minimum open diameter of 14mm.