Milwaukee precision screwdrivers feature an all-metal core for up to 4X strength. precision machined tips provide secure fitment and long-life. The extended reach design and longer shanks deliver improved visibility and reach. 360 deg rotating back caps offer greater control, driving ability and tuning. Additionally, color-coded markings allow users to easily ID tool on the job-site. chrome-plated shanks increase tool life by reducing corrosion and providing great rust protection.