HT-KM Pole Pruner This STIHL KombiSystem pole pruner attachment makes quick work of pruning trees and shrubs. HT-KM Pole Pruner Specifications WEIGHT - 1.9 kg (4.2 lbs.) GUIDE BAR LENGTHS - 30 cm (12") STIHL ROLLOMATIC® E OILOMATIC® CHAIN - 1/4" STIHL PICCO™ *Without bar and chain