Watch Case Back Opener provides a safe way to open watch cases without scratching the watch during strap or movement repairs. Battery Replacement Tool for watches eliminates the difficulty of manual opening and helps protect your hands. Adjustable Watch Opener can be adjusted by rotating the knob to easily fit various watch case sizes. These Watch Repair Tools are professional-grade tools designed for watchmakers and repair technicians. Watch Battery Replacement Tool is constructed from solid materials for strength and durability. Delivery Quantity: 1 Piece Package Contents: Only the items listed above, other products are not included. Size: 11.9 x 7 x 7.4 cm (Reminder: Size is measured manually; please allow 1–2 cm variation due to measurement tolerance) Color: Red (Note: Due to differences in monitors and lighting conditions, the actual item color may vary slightly from the image shown.)