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Snap-on QB4R450 | Break-Over Torque Wrench | 3/4 in Drive, 100–450 ft-lb
The QB4R450 is a 3/4 in drive break-over torque wrench covering 100–450 ft-lb. At 41-11/16 in long and 13.1 lb (5.95 kg), it is built for heavy fastener work where a clear release at the set value matters.
Key features
- Break-over mechanism signals clearly when the target torque is reached and allows a wide break angle
- Fixed sealed ratchet head with 32 gear teeth and an 11° swing arc
- Large plastic handgrip and a scale designed for easy reading when setting torque
- Powder-coated finish; quick-release design lets the wrench separate into two pieces for storage
- Ratchet service kit RKRTQ4
- Specifications
| Part Number | QB4R450 |
| Brand | Snap-on |
| Torque Range | 100–450 ft-lb |
| Square Drive | 3/4 in |
| Head Style | Fixed Sealed Ratchet |
| Gear Teeth | 32 |
| Swing Arc | 11° |
| Length | 41-11/16 in |
| Weight | 13.1 lb (5.95 kg) |
| Service Kit | RKRTQ4 |
| Country of Origin | GBR |
| Head Width | 2-1/2 in |
| Head Depth | 1-1/4 in |
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