The lezyne gauge drive hv is a compact high volume hand pump made of custom cnc machined aluminum for precise and lightweight construction the hv design easily inflates tires to riding pressure with fewer strokes the overlapping handle and barrel with oversized piston and shaft are integrated into a compact design it comes equipped with lezyne39s abs pen gauge a precise and compact in line pressure gauge compatible with presta and schrader valvesspecsmedium 232mm 142gcolors blacksilve