General description This US PRO JIS Screwdriver Set includes 4 professional-grade screwdrivers designed to meet Japanese Industry Standards (JIS). These screwdrivers are specifically recommended for use with Japanese branded products and vehicles that utilize JIS screws, helping to prevent damage during use. Technical specifications Material: Chromium-vanadium steel Sizes: JIS PH3 x 150mm, JIS PH2 x 100mm, JIS PH1 x 75mm, JIS PH2 x 38mm Usage This screwdriver set is ideal for DIY projects and serves as a perfect addition or replacement for any toolbox or workshop.