Shipping: 1-2 business days | Based in Burlington, VT | Est. 2014 Knowing the slope angle is a critical factor in assessing avalanche hazard. The PoleClinometer slope meter is the quickest and easiest way to get accurate “on the go” slope angle measurements. It’s a sticker you put on your ski pole that lets you measure slope angles by line-of-sight. Who knew 0.05 ounces could save your life? This sticker kit turns your ski pole into the world’s lightest and fastest slope meter! Here's what's included... PoleClinometer Stickers - 2 sizes to fit all standard pole diameters Wrap-Ruler - to measure your pole DANG-A-LOOP bungee - for the most accurate dangle _______________________________________________ Specs Compatibility: For the PoleClinometer slope meter to work, your pole must be STRAIGHT (not bent) UNIFORM (no bamboo knuckles) CYLINDRICAL (no elliptical or teardrop cross-section, no upper-shaft taper) You'll also need sufficient unobstructed space in the upper shaft section to install the sticker - minimum 60 to 75 mm in height, depending on diameter. Size: Standard size will fit poles 14-18mm in diameter XL will fit poles 20-22.5mm in diameter Weight: 0.05 ounces | 1.5 grams Made in the U.S.A.