Specifications:

• Usage: Gear Hob
• Origin: CN(Origin)
• Material: Alloy
• item 5: Durable in use.
• item 4: High strength and hardness.
• item 3: Color: Black (Knurling) + Brown (Wheel)
• item 2: Material: Steel
• item 1: 7Pcs Knurling Tool
• Certification: NONE