Adjustable Welding Assistance Fixture Securely holds and fixes various mobile phone motherboards and circuit boards during soldering and disassembly. Suitable for electronic component soldering, computer motherboard repairs, precision instrument maintenance, and circuit board operations. Provides versatile support for electronic projects. Five Sizes of Clamping Jaws Includes five different sized clamping jaws (4mm, 1.2mm, 1.8mm, 3mm, and 2mm) to accommodate different motherboard thicknesses. Ensures a firm grip and eliminates displacement during delicate soldering tasks, enhancing stability. 360 Degree Rotatable Head The fixture head can be rotated and adjusted to secure the motherboard at your preferred angle. This flexibility enables convenient and precise operations, improving work efficiency and accuracy during soldering and repairs. Adjustable Opening Distance Opening distance is adjustable up to 200mm to accommodate a wide range of motherboard sizes. Suitable for most motherboards and circuit boards, offering versatility for different projects. Use Scenarios Soldering and disassembly of mobile phone motherboards to support delicate components and minimize handling damage. Computer motherboard repairs and precision instrument maintenance where stable, angleadjustable mounting is needed. Circuit board operations and electronic component soldering for consistent alignment and reduced risk of displacement.