General description The 50 Pcs 10mm Dia Chemistry Test Tube Bottle Nylon Brush Washing Tool is designed for effective cleaning of test tubes and various surfaces. Its flexible design allows it to reach hard-to-access areas, making it a versatile cleaning tool. Technical specifications Material: Nylon, Stainless Steel Color: White, Silver Tone Brush Size: 8 x 1 cm / 3.1 inch x 0.4 inch (L x D) Total Length: 16.5 cm / 6.5 inch Net Weight: 160 g Measurement allowed error: +/- 1-3 cm Package Contents 50 x Test Tube Brush