Enhance your HIOS screwdriver with this external screw counter device. Connect this device to a compatible HIOS screwdriver and power supply to enable screw counting functionality.
| Compatibility | BLC-45 | BLG-4000-OPC |
| BLC-70 | BLG-4000-OPC / BLG-5000-OPC | |
| Dimensions (in) | 3.9 × 3.9 x 2.2" | |
| Weight (lbs) | 1.3 | |