Dyne Test Pens (12-Pack) - Flexo Kit with 4 Units Each: 36, 38 & 40 Dyne/cm - Surface Tension Testing for Printing, Packaging & Quality Control

12 Pack Test Marker Pens - Spring Loaded Tip Adhesive Markers Set (30-52 Dynes/CM) for Process Control, Quality Inspection & Field Testing - Perfect for Industrial, Laboratory & Manufacturing Use

Watch Dog Smooth Surface Graffiti Remover - 5 Gallon Heavy-Duty Cleaner for Aerosol Spray Paint, Markers, Ink & Coatings | Safe for Painted & Unpainted Surfaces | Ideal for Walls, Metal, Glass & Public Spaces

110V Dual-Pen Sand Blaster with LED Lights & Glass Viewport - Professional Material Restoration & Polishing Tool for Metal, Wood, and Auto Parts Cleaning