Petzl, Ascension Handled Ascender, #B17W

One of the most popular handled ascenders on the market
Designed for ascending and occasionally for hauling (progress capture)
Wide, ergonomic molded handle allows a comfortable yet powerful grip
Toothed cam with self-cleaning slot optimizes performance under any conditions (wet, frozen or dirty ropes)
Lower holes for connecting a FootPro ascending strap, upper hole for creating a pulley / rope clamp combination or for guiding rope
Works with rope from 5/16 - 1/2" (8 - 13mm)
Weighs about 7oz (195g)