The US PRO 3985 set equips you for everything from engine-bay fittings to chassis hardware. Each spanner pairs a standard open end with a flex-head ratcheting ring so you can maintain drive while angling around pipes and brackets. The 72-tooth mechanism delivers fine control with just 5° of movement, and the 40Cr-V hardened gear plus mirror-finished bodies stand up to daily workshop use. Three square-drive adapters let you power sockets directly from the spanners, and the EVA tray keeps sizes organised.
Included sizes (mm)
8, 9, 10, 12, 13, 14, 15, 16, 17, 18, 19, 21, 22, 24, 27, 30, 32
Adapters
- 1/4″ square drive • 3/8″ square drive • 1/2″ square drive
Highlights
- Flex-head ratchet ring for better access
- 72T / 5° swing; smooth, fast run-down
- 40Cr-V hardened gear ring • DIN 3113 compliant
- EVA storage tray included


