Klein Tools 32713 Scrrewdriver Blade, Adjustable Length Replacement Blade with #1 Phillips and 3/16-Inch Slotted Tips Replacement blades for Adjustable Length screwdriver Include a #1 Phillips and 3/16-Inch Slotted Removable shaft adjusts within 4-Inch to 8-Inch (10 to 20 cm) range for numerous length combinations Klein Tools doesn't just make great products, we make great products that stand up to the demands of the professionals who use them every day ... Since 1857.