Stihl HT 135 Pole Pruner with Squared Shaft 14 In.STIHLs HT 135 powerful Pole Pruner provides high speed precision while pruning, makes handling easier when reaching for high branches, and with a new squared shaft design, the telescoping shaft has increased rigidity, providing control and precision while reducing fatigue. The outside guide bar and saw chain mounting of the HT 135 provides users with better flush cutting abilities.