SUUNTO PM-5 Compass Compact handheld clinometer for measuring heights, slopes, and angles Highly accurate percent and degree scales deliver precise readings in seconds Durable aluminum housing resists water, impact, and corrosion Damping liquid won't freeze or evaporate; threaded hole for tripod mounting Jeweled bearing assembly; measures 2.75 x 2 x 0.62 inches (W x H x D) Nylon pouch with belt-loop Lanyard and metal lanyard ring