Jon Bhandari Tools Nylon Filament Abrasive Wire Brush are used for prepping surfaces, deburring and removal of rust, corrosion, paint & coatings. It is gentle on all materials and made from top quality nylon for maximum user safety, gentle cleaning & extended brush use. These brushes are Well Constructed, Sturdy, & Durable brushes. Nylon Bristles are extremely safe and will not spark, corrode, rust, shed, puncture skin, unlike many abrasive metal or steel brushes. Designed for easy access into narrow holes and confined areas. It can be used on almost all materials like Metal, Alloy, Wood, Aluminum, Plastic, PVC, Tiles, Stones and etc. Ideal for cleaning delicate parts for Automotive, Metalwork, Woodworkers, Refurbishers and DIYs.