The Bahco 4040M-10-11 is a chromium-plated double-ended hook spanner sized 10 mm and 11 mm for hexagonal bolts, with an overall length of 199 mm and a 7 mm wrench depth at both ends. It ships with a tommy bar for higher-torque access on seized fasteners. Typical use covers machine assembly and general fastener service where recessed nuts require offset engagement.
| Manufacturer part number (MPN) | 4040M-10-11 |
| EAN / GTIN | 7314151078287 |
| Sales unit | pcs |
| Suitable for hexagonal bolts | Yes |
| Suitable for double hex nuts | No |
| Suitable for protruding torx screws | No |
| Suitable for recessed torx screws | No |
| Suitable for in-hex screws | No |
| Wrench size small | 10 mm |
| Wrench size large | 11 mm |
| Wrench depth small | 7 mm |
| Wrench depth large | 7 mm |
| Length | 199 mm |
| Head width small | 14.1 mm |
| Head width large | 15.3 mm |
| Suitable for tommy bar | No |
| With tommy bar | Yes |
| Surface protection | Chromium-plated |
| MOQ | 1 |