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ACDelco
ACDelco ARM601-4 1/2 in. Digital Torque Wrench (14.8-147.5 ft-lb)
$114.99
Best Torque Wrenches · head-to-head
ACDelco ARM601-4 1/2 in. Digital Torque Wrench (14.8-147.5 ft-lb) vs Snap-on TECH2FR100 3/8 in. Drive TechWrench Flex-Head Electronic Torque Wrench (5-100 ft-lb)
A sourced, side-by-side comparison. ACDelco ARM601-4 1/2 in. Digital Torque Wrench (14.8-147.5 ft-lb) is cheaper at $114.99. Every spec and price links to its source.
Snap-on
Snap-on TECH2FR100 3/8 in. Drive TechWrench Flex-Head Electronic Torque Wrench (5-100 ft-lb)
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Which is better: the ACDelco ARM601-4 1/2 in. Digital Torque Wrench (14.8-147.5 ft-lb) or Snap-on TECH2FR100 3/8 in. Drive TechWrench Flex-Head Electronic Torque Wrench (5-100 ft-lb)?
The Snap-on TECH2FR100 3/8 in. Drive TechWrench Flex-Head Electronic Torque Wrench (5-100 ft-lb) wins 2 of the 2 specs we compare head to head; the other wins 0.
Check ACDelco ARM601-4 1/2 in. Digital Torque Wrench (14.8-147.5 ft-lb) price See Snap-on TECH2FR100 3/8 in. Drive TechWrench Flex-Head Electronic Torque Wrench (5-100 ft-lb) on Amazon
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Full spec sheet
✓ marks the stronger figure where "more" — or "less", for price and weight — is unambiguously better.
| Spec | ACDelco ARM601-4 1/2 in. Digital Torque Wrench (14.8-147.5 ft-lb) | Snap-on TECH2FR100 3/8 in. Drive TechWrench Flex-Head Electronic Torque Wrench (5-100 ft-lb) |
|---|---|---|
| US price | $114.99 | — |
| Brand | ACDelco | Snap-on |
| Released | — | — |
| Drive size (in) | 0.5 | 0.375 |
| Torque min ft (lb) | 14.8 | 5 |
| Torque max ft (lb) | 147.5 | 100 |
| Torque range (nm) | — | — |
| Accuracy | ±2% CW / ±3% CCW (20-100% of maximum torque) | ±2% CW / ±3% CCW (20-100% of scale) |
| Mechanism | digital/electronic | digital/electronic (flex-head) |
| Overall length (in) | — | — |
| Ratchet tooth count | — | 80 |
| Calibration certificate | Included — ISO 6789 standards compliance with certificate of calibration | Included — Snap-on TechWrench models ship with a certificate of calibration |
| Weight (lb) | 3.9 | — |
Sources — ACDelco ARM601-4 1/2 in. Digital Torque Wrench (14.8-147.5 ft-lb): zoro.com (verified 2026-08-09). Snap-on TECH2FR100 3/8 in. Drive TechWrench Flex-Head Electronic Torque Wrench (5-100 ft-lb): snap-on.vn (verified 2026-08-09).
What's the difference between the ACDelco ARM601-4 1/2 in. Digital Torque Wrench (14.8-147.5 ft-lb) and Snap-on TECH2FR100 3/8 in. Drive TechWrench Flex-Head Electronic Torque Wrench (5-100 ft-lb)?
Where the two actually differ on the specs we track (6 of 10). Matching specs are omitted.
- Drive size (in): ACDelco ARM601-4 1/2 in. Digital Torque Wrench (14.8-147.5 ft-lb) 0.5 vs Snap-on TECH2FR100 3/8 in. Drive TechWrench Flex-Head Electronic Torque Wrench (5-100 ft-lb) 0.375
- Torque min ft (lb): ACDelco ARM601-4 1/2 in. Digital Torque Wrench (14.8-147.5 ft-lb) 14.8 vs Snap-on TECH2FR100 3/8 in. Drive TechWrench Flex-Head Electronic Torque Wrench (5-100 ft-lb) 5
- Torque max ft (lb): ACDelco ARM601-4 1/2 in. Digital Torque Wrench (14.8-147.5 ft-lb) 147.5 vs Snap-on TECH2FR100 3/8 in. Drive TechWrench Flex-Head Electronic Torque Wrench (5-100 ft-lb) 100
- Accuracy: ACDelco ARM601-4 1/2 in. Digital Torque Wrench (14.8-147.5 ft-lb) ±2% CW / ±3% CCW (20-100% of maximum torque) vs Snap-on TECH2FR100 3/8 in. Drive TechWrench Flex-Head Electronic Torque Wrench (5-100 ft-lb) ±2% CW / ±3% CCW (20-100% of scale)
- Mechanism: ACDelco ARM601-4 1/2 in. Digital Torque Wrench (14.8-147.5 ft-lb) digital/electronic vs Snap-on TECH2FR100 3/8 in. Drive TechWrench Flex-Head Electronic Torque Wrench (5-100 ft-lb) digital/electronic (flex-head)
- Calibration certificate: ACDelco ARM601-4 1/2 in. Digital Torque Wrench (14.8-147.5 ft-lb) Included — ISO 6789 standards compliance with certificate of calibration vs Snap-on TECH2FR100 3/8 in. Drive TechWrench Flex-Head Electronic Torque Wrench (5-100 ft-lb) Included — Snap-on TechWrench models ship with a certificate of calibration