The Klein 93430 Magnetic Tape Measure is 30-Feet long and has a nylon-coated hardened steel blade that resists abrasion and wear for long life. Other features include: Built-in shock absorber to protect blade tip. True zero feature for accurate inside and outside measuring. Durable steel belt clip for convenience. Multi-riveted end hook with bottom blade protector reinforces the blade tip and provides maximum pull-out strength. Rare earth magnetic end hooks. First 11-Inch (279mm) has oversized, bold numbers. Easy-read fractional scale. Double-sided rule for measurement while using against wall, ceiling or conduit. Horizontal and vertical standout for easy one person measurements. Shock and impact resistant case. Length: 30". Weight: 1.2-Pound. Safety information: To avoid personal injury and prevent damage to product, do not allow the blade to retract into case at full speed. Do NOT open case. Spring motor is under tension and opening may cause injury. Avoid magnetic contact with sensitive electronic or computer equipment. Always wear eye protection. Not insulated. Do NOT use on live circuits.