Specification: Item Type: Watch Back Press Set; Material: Nylon; Dies Type: 12pcs, 18/20, 21/23, 24/26, 28/30, 31/32, 33/34, 36/38, 40/42, 44/46, 48/52, a flat die, and a butterflies die. Package List: 1 x Watch Back Press Tool, 12 x Dies. This high-quality watch back press set is designed for professional and amateur watchmakers alike, featuring a stable base with four threaded holes to ensure good stability during repair work. The tools textured handle design effectively prevents slipping, providing a comfortable and secure grip. With 12 different sized dies included, this set accommodates a wide range of watches, allowing for precise and perfect fitting every time. Made from premium nylon, this durable and sturdy set ensures your watches will not be damaged during the repair process. Easy to operate, this watch case closer is a must-have tool for anyone looking to perform watch repairs at home or in a professional setting.