This STIHL KombiSystem pole pruner attachment makes quick work of pruning trees and shrubs. When branches and shrubs need to go, slide the HT-KM pole pruner attachment onto your STIHL KombiMotor. This STIHL KombiSystem attachment features a side-access chain tensioner for easy chain adjustments. The oil tank cap features a retainer, so it stays put during refilling. The HT-KM attachment comes with a 12" bar and chain.