18 in. dual-action hardened steel blade for reduced vibration while trimming* (Compared to BLACK+DECKER single-action blade models) Lightweight, compact design is easy to use with less fatigue Built-in T-handle and full length trigger for control while cutting Part of 20V MAX* Lithium-Ion battery system *Maximum initial battery voltage (measured without workload) is 20 volts. Nominal voltage is 18 volts