3/8 inch Head Soft Tip Brush, 100 percent Cotton, Model 623 Replacement for OEM A precision soft tip brush designed as a direct replacement for OEM 623. The 3/8 inch cotton head delivers gentle, absorbent contact for cleaning, applying fluids, and light polishing where a soft touch and controlled delivery are required. Key benefits Gentle on surfaces: 100 percent cotton tip minimizes scratching and provides a soft contact point for delicate parts. absorbency: Cotton head soaks and holds solvents, cleaners, and light lubricants for controlled application. Consistent fit and performance: Manufactured to match OEM 623 dimensions for reliable replacement and repeatable results. Easy to use: 3/8 inch head size offers precise coverage without excess material; suitable for tight spots and small components. Reduced contamination: Designed to limit loose fibers and deliver focused cleaning or application. Important attributes Function: Soft tip brush for precision cleaning, fluid application, and light finishing tasks. Compatibility: Direct replacement for OEM model 623. Confirm 3/8 inch head diameter for fit. Size: 3/8 inch head for targeted access to small areas. Material: 100 percent cotton head for softness and absorbency. Performance: Consistent tip shape and reliable absorption make it suitable for repeated use in precision maintenance tasks. Use scenarios Precision maintenance: Remove residue and apply solvent to small mechanical parts and assemblies where a gentle touch is required. Lubrication and assembly: Apply small amounts of lubricant to gears, hinges, and connectors during assembly or routine maintenance. Detailing and finishing: Clean and lightly polish jewelry, metal fittings, or other small finishes prior to inspection or reassembly. Compatibility note Direct replacement for OEM 623. Verify the 3/8 inch head size matches your tool or holder before to ensure proper fit.