STIHL HSA 60 BATTERY HEDGE TRIMMERSTIHL HSA 60 BATTERY HEDGE TRIMMER AK Battery System, 60cm The STIHL HSA 60 battery hedge trimmer within the STIHL AK Battery System, is the most powerful hedge trimmer in STIHL's AK range. Its durable EC engine makes the HSA 60 a very high performing hedge trimmer for home users. Quickly and efficiently prune larger garden hedges and feel the benefit of its optimum balance and comfortable, ergonomic operation. The multi function handle turns 90 to