Made of high-quality steel and treated with heat treated chromium, it is durable and corrosion-resistant. This watch repair kit is very suitable for people who repair their watches at home, who like to study the loading and unloading of watches Can change watch electrical appliances, adjust and remove the watch band, remove the case, etc. size:34cm*23cm*4cm Material:metal colour:Blue + black Made of high-quality steel and treated with heat treated chromium, it is durable and corrosion-resistant. This watch repair kit is very suitable for people who repair their watches at home, who like to study the loading and unloading of watches Can change watch electrical appliances, adjust and remove the watch band, remove the case, etc. size:34cm*23cm*4cm