Construction made of steel with titanium coating: It is supported on a steel core with a ball bearing, with a layer of titanium and heat treatment at 800 ℃ / 1472 ℉. The thread cutting set provides cleaner cuts and extends the tool's lifespan for repeated use.

86-piece SAE and metric size set: This thread cutting set covers common internal and external threading needs, ideal for both new cuts and repairs of damaged threads – no additional tool sets are required.

Multiple auxiliary control tools: This cutting tool set includes an adjustable wrench, a T-handle, an adjustable cutting base, a threading gauge, and a screwdriver – ensuring precise thread starts and significantly improving efficiency.

Compatible with multiple metals: These drill bits and cutters work with carbon steel, cast iron, aluminum alloys, brass, copper, and stainless steel, making them ideal for garage repairs, workshops, and a wide range of applications.

Lightweight PE storage case: The drill and cutting set comes with a storage case with organized compartments, keeping each tool clearly visible for quick access. The case also allows for easy storage and convenient transportation between work areas.

• Metric size: M3–M12
• Imperial size: #4–5/8"
• Drill and cutting tool material: High-chromium carbon steel for bearings
• Wrench type: Standard wrench
• Wrench material: Zinc alloy
• Hardness of drill and cutter: 58–62 HRC
• Size markings: Sealed indicators
• Appearance color: Black
• Main material: PE
• Net weight (including all accessories): 4.66 kg
• Product dimensions (L x W x H): 405 x 370 x 64 mm