Milwaukee
M4 Cordless Screwdriver
Model: 21101-21
Winner
Historical Reference
This product is included for historical comparison and is not currently recommended for purchase.
Completed gauntlet in 61 seconds - fastest time, beating Amazon Basics by 2 seconds. 300 cc size, M4 battery system, 2-speed gearbox, 20 clutch settings. Hybrid pencil/pistol design. 12-13 years old but still current model.
View on AmazonReviews (1)
Beating AMAZON BASICS took buying New DeWALT, M4 Milwaukee Screwdriver
Torque Test Channel
Jan 23, 2026
Winner
Ranked #2
4.0
"Fastest Performance - Completed gauntlet in 61 seconds - fastest time, beating Amazon Basics by 2 seconds. 300 cc size, M4 battery system, 2-speed gearbox, 20 clutch settings. Hybrid pencil/pistol design. 12-13 years old but still current model."