IIX1000 Features: * Quickly identifies the two most common types of pulley misalignment - parallel offset and angular by emitting a bright laser light beam to the opposite pulley, instantly indicating the degree of misalignment * This innovative drive alignment tool is compatible with all automotive serpentine belt drives with four ribs or more found on both cars and light trucks. * Align serpentine belts * Identify bracket problems * Operating time: 20 hours continuous service * Battery type: replaceable lithium battery * Carry case: high-impact plastic with die-cut foam insert * Bungee cord: holds laser to pulley * Eye glasses: enhances laser s light * Allen wrench: aligns laser light beam * Most accurate alignment method * Shows offset and angular misalignment * Uses proven laser beam technology * Extremely light weight, fast and easy to use * One person operation * Lazer Drive Align Belt Alignment Tool Specifications: * Laser type: 650nm visible laser diode Warranty: * Lifetime warranty does not cover abuse