LanRui B17 PCB motherboard service holder
LanRui B17 PCB motherboard service holder
LanRui B17 is a specialized clamping fixture designed to stabilize motherboards and small PCBs during soldering, diagnostics, and electronic repairs. This tool is tailored for mobile device repair shops, where securely immobilizing a component is essential for ensuring comfort and control while performing repair work.
The fixture features an adjustable clamping mechanism with four positioning slots, allowing the user to modify the spacing between the jaws to accommodate PCBs of various sizes and irregular shapes. The specially contoured clamps provide stable support, preventing the board from shifting accidentally during delicate repair operations.
Adjustable clamping system – stable fixation
The LanRui B17 features adjustable clamps that allow the holder to be adapted to motherboards of various dimensions and irregular shapes. Four adjustment slots enable the spacing of the securing components to be modified, making it easier to stabilize the board being repaired.
Specially contoured jaws ensure a secure grip and minimize the risk of the PCB accidentally coming loose or shifting during soldering, taking measurements, or performing other precise repair tasks.
Compact design
During micro-soldering, properly securing a PCB is essential for the precision of the operations being performed.
Even a slight shift in the item being repaired can hinder component soldering, connection repairs, or taking measurements.The LanRui B17 allows for the stable securing of a circuit board, eliminating the need to hold it in place by hand. Its compact design makes it easy to position the holder under a service microscope while ensuring convenient access to the specific work area.
Metal construction and additional features
The body of the holder is crafted from a non-ferrous metal alloy, which provides excellent rigidity, durability, and corrosion resistance. Its 205 g weight helps keep the tool stable during everyday tasks at a service workstation.
The design also includes dedicated spaces for storing flux and screwdrivers. At the base of the holder, there is a slot for an optional magnet, which can be used to magnetize screwdriver tips. The magnet requires separate attachment by the user.

Key advantages
Adjustable mounting system
Four adjustment holes allow for changing the spacing of the clamps, enabling the holder to accommodate PCBs of various dimensions and irregular shapes.
Stable clamps
Contoured jaws ensure a secure grip and prevent the circuit board from shifting accidentally during soldering or diagnostic procedures.
Durable metal construction
The body, made from a non-ferrous metal alloy, provides rigidity, durability, and corrosion resistance for everyday repair work.
Additional accessory storage
Built-in slots for flux and screwdrivers, along with the option to attach a magnet, help keep your repair workstation organized.
- Manufacturer: LanRui
- Model: B17
- Type: PCB service holder
- Material: non-ferrous metal alloy
- Clamping mechanism: adjustable clamps
- Adjustment: four adjustment holes
- Weight: 205 g
- Package dimensions: 45 × 45 × 47 mm
- Additional features: slots for flux and screwdrivers, option to attach a magnet
- Application: securing PCBs, soldering, micro-soldering, and electronics diagnostics
Kit contents
- LanRui B17 service holder – 1 pc.

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