Description of Black Diamond Quickdraw Guide 300 Probe Black Diamond's workhorse probe for deep snowpacks, the Guide features strong 12.5 mm aluminum tubes to increase strength and stiffness and their new QuickDraw system that deploys from inside its stuffsack to fully assembled in a single, time-saving motion. Easy-to-read depth markings every centimeter of the three-meter length allow precise measurements of snowpack and debris. The non-slip grip provides a secure purchase, even with wet gloves. Features: WEIGHT: 334 G (11.8 OZ) LENGTH: 300 cm (118 in)