MRD PRO SMART BRAIN HC90-4+3969X Clipper Blade – Ultra Sharp, Durable, Smooth

Product Description
Special replacement blade for SMART BRAIN and 3969X hair clippers.

Made from high-quality stainless steel – sharp, rust-resistant, and wear-resistant.

Precisely designed for a perfect fit – easy to replace at home.

Ultra-sharp dual blades for smooth cutting without pulling, tugging, or irritation.

Ideal for close cuts, styling, fades, and outlining.

Technical Specifications:

• Material: 440C high-carbon stainless steel

• Hardness: Rockwell 62–63 HRC

• Size: Compatible with SMART BRAIN / HC-3969X clippers

• Usage: Suitable for both professional and home use
  Usage Notes:
  Clean the blades regularly and apply lubricating oil to extend their lifespan.
  Avoid impact or using the wrong guide combs, which may damage the blades.