Key Features & Benefits:
Extensive Set: With 30 brushes total—5 pieces for each of the 6 critical sizes (8mm/0.31in, 10mm/0.39in, 12mm/0.47in, 15mm/0.59in, 17mm/0.67in, 19mm/0.75in)—you are equipped to handle various bore diameters commonly found in engines, machinery, plumbing, and more.
Superior Construction: Made from high-quality 304 stainless steel, the twisted wire bristles offer aggressive cleaning action without corroding. The brushes resist rust and wear, ensuring reliable performance over time.
Easy Compatibility: The 1/4-inch hex shank fits securely into most standard power drills, drill chucks, and rotary tools. This design allows for fast swapping between brushes and reduces slippage during use.
Versatile Cleaning Power: Effectively remove carbon deposits, rust, paint, gasket material, and debris from metal surfaces. Ideal for preparing parts for maintenance, restoration work, or general upkeep of equipment.
User-Friendly Guidance: Achieve best results by using a straight push-pull action. To preserve brush integrity, avoid reverse rotation and maintain tool speeds below 600 RPM. The sleek silver finish makes size identification straightforward.

Specifications:
Material: 304 Stainless Steel
Color: Silver
Shank Type: 1/4" Hex Drive
Brush Length: Approximately 4 inches (100mm)
Brush Diameters: 8mm (0.31"), 10mm (0.39"), 12mm (0.47"), 15mm (0.59"), 17mm (0.67"), 19mm (0.75")
Quantity: 30 Pieces (5 per size)

Package includes:
30pcs 304 stainless steel wire brush with hexagonal rod

Notes:
Manual measurement may result in slight errors in size.
Color may vary slightly due to differences in screen display.