The RYOBI Expand-It™ Hedge Trimmer Universal Attachment brings you 17.5 inches of cutting power perfect for cutting branches and new growth up to 3/8 inch thick. The dual action blades provide crisp, clean cuts while reducing vibration. Clip the hedge trimmer attachment, backed by a RYOBI 3 year warranty, onto any RYOBI power head and begin manicuring your shrubs and hedges. Save time, save money, save space.