Klein's 9-in-1 Pass Through Multi-Nut Driver features fully pass through drivers for driving nuts on threaded rod and prevents bottoming out. Nine SAE sizes in one tool with color coded ends make it convenient to identify the size needed for the job. All sizes allow for easy, one-handed driving. Increase your productivity and lighten your load with this multi-nut driver.Features Color-coded bands for easy identification Spring coil holds nuts and bolts in place, sizes 3/8, 1/2, 9/16 and 3/4-Inch Wrench-Assist for Added Torque; Full Pass Through Pass through handle and barrels for fastening hex nuts onto threaded rod of any length Heavy-duty, Cushion-Grip™ handle for greater torque and comfort Extended wrench-assist on barrels for added torque on tough jobs Driver barrels nest within each other for compact storage in tool bags or workbenches Nine sizes in one tool: 1/4, 3/16, 5/16, 11/32, 3/8, 7/16, 9/16, 1/2, and 3/4-Inch Warnings NOT insulated. WILL NOT protect against electrical shock. Do NOT use to pry or chisel. Always wear approved eye protection. Nut Driver Sizes: 3/16 in, 1/4 in, 5/16 in, 11/32 in, 3/8 in, 7/16 in, 1/2 in, 9/16 in, 3/4 in Insulated: No Depth: 9.15 in Overall Length: 9 in (23 cm) Overall Height: 1.42 in (3.6 cm) Overall Width: 1.42 in (3.6 cm) Handle Length: 4.73 in (12 cm) Handle Diameter: 1.42 in (3.6 cm) Weight: 0.73 lbs Handle Type: Cushion-GripTM Material: Alloy Steel Handle Material: CA/TPE Pass Through: Yes Spring Coil Nut Holder Sizes: 3/8 in, 1/2 in, 9/16 in, 3/4 in Magnetic: No Country of Origin: Taiwan Measurement Standard: SAE DownloadsSpec Sheet