Model HC1500 Product Specifications Engine Type 2 - Cycle Capacity 21.2cc Weight 4.4kg Power Output .75kw Blade Length 500mm Double sided blades Double reciprocating blades Needle bearing gear box Full crankshaft echo engine Chrome porous bore Purge pump carburettor HC1600 Product Specifications Engine Type 2 - Cycle Capacity 21.2cc Weight 6.3kg Blade length 600mm Max Branch Diameter 15mm Anti vibration cushions on handle Double sided blades Double reciprocating blades Comfort grip rear handle 500 mls fuel tank Full crankshaft echo engine Chrome porous bore