Bosch JSH180-01 18-Volt Lithium-Ion Jig Saw Kit with Battery, Charger and Case Best-in-class Weight - Up to 30% lighter weight than leading competitor Best-in-class Compact Size - Up to 10% smaller than leading competitor 1-Handed Blade Change - 1 handed blade insertion and ejection offers most convenience and ease of use 4-stage orbital action - Matches cutting performance with application LED Light - More convenience in low light applications