Easily remove and install square head (Robertson) screws with these Malco SD1 No. 1 X 1-3/4" Square Drivers. They won't slip or cam out when added torque is applied, and they have a power-groove style with a 1/4" hex shank that is compatible with the most powerful drills and screw guns. These fully hardened, Malco square head drivers are also color-coded for easy identification; Green = #1 and Red = #2.
- Fully hardened
- Power-groove style driver
- Square tip will not cam out
- Color coded for easy identification
- Catalog Number: SD1
- Description: #1 Square Head Chuck Driver
- Length: 1-3/4-in (45 mm)
- Shank: 1/4-in Hex
