Car Caddie Helping Hand Canes Specialty 1 1 2 X 10 Yds MSHQ 1885 1 1 2 X 10 Yds Bx 8 * Cloth tape with perforated edges which allow for easy tearing * Shipping Carton Size: 9 L x 6 W x 4 H ) and easier to use than spring push pull dynamometers that are in common use today * Dial continuously shows instantaneous force and holds the maximum force reading * This maximum reading should be manually recorded prior to resetting for the next test * Available with either an analog (dial) readout or a digital (LCD) readout * Choose either 50 lb * Easy installs and removes in seconds * Universal fits any framed car window * Durable sturdy nylon construction * Versatile adjustable length * Secure no slip rubber contour grip * Weight Capacity: 250 lbs * Strap length: adjusts from 7 16 * Strap width: 5