JIS Professional S2 Steel Screwdriver Set – 3 Sizes for Every Need

There are the real JIS and the not-so-real JIS screwdrivers. JIS drivers are re-engineered standards that aim to reduce or eliminate cam-out. If using the right tool for the job is important to you or if you frequently work with Japanese or JIS screws consider investing in proper JIS screw driver bits that are built to to the correct Japanese Industrial Standards (B 4633).