Broad Compatibility 64 Hole Design: This combined thread checker features 64 accurately sized holes to verify both screws and fasteners, offering extensive adaptability for home projects and professional mechanical tasks with efficient thread identification. Sturdy Metal Construction: Built from robust metal, this tool withstands wear during prolonged use in tough conditions while maintaining accuracy, ideal for mechanics and technicians requiring stable long term functionality. Compact & Portable: With small 35x10cm dimensions, its sleek shape fits easily into tool storage or bags, providing convenient access for mobile technicians and field repair scenarios. Quick Thread Identification: Simplifies fastener matching without complex steps, greatly speeding up urgent repairs, equipment assembly, or installations by eliminating sizing doubts. Package includes: Combination 64-hole screw nut and bolt thread checker × 1