Features:*The opening tools are made of premium steel material with stable construction, it is rust-proof. And it has high hardness, good toughness, strength and is durable.*Package includes: 1 x Wrench 6 x Different sizes of fluted controls (rings); Size: NO.0--18.5mm, NO.1--20.2mm, NO.2--22.5mm, NO.3--26.5mm, NO.4--28.3mm, NO.5--29.5mm.*Excellent for opening and closing waterproof and fluted watch cases. Professional watch maintenance tools are useful for watch repair work.*Lightweight and handy design makes the tool easier and more convenient to carry due to its small size and light weight. Easy to open the watch back without scratching.*The watch opening tool is excellent for professional watch repairers or amateurs in the watch field, you can easily open watches with the help of the tool.

Specification: Size: NO.0--18.5mm, NO.1--20.2mm, NO.2--22.5mm, NO.3--26.5mm, NO.4--28.3mm, NO.5--29.5mm

Package includes: 1*Wrench 6*Different sizes of fluted controls (rings)