Hilti Nuron Impact Driver - SID 6-22 - Tools In Action - Power Tool Reviews
Hilti SIW 18-A 1/2" CPC Impact Wrench - 03497767 - Power Impact Drivers - Amazon.com
Hilti 12-Volt Lithium-Ion 1/4 in. Cordless Impact Driver SFD 2-A Kit with Battery, Charger and Bag 3536725 - The Home Depot
Had this Hilti impact drill for 8+ years, never let me down. Still is my primary work tool( I work in construction). Easy to open and clean. Battery still lasts decent amount.