<b>Specification:</b></br></br> Material: Aluminum Alloy + Stainless Steel + Engineering Plastic</br> Max Working Pressure: 3600 PSI</br> Roller Size: Approx. 20cm / 9 inches, the extension pole is 9 inches. Spray tip size 517 tip with inline spray gun</br> Package Weight: Approx. 2.5 lbs</br></br> <b>Note:</b></br></br> 1. This product is only used in water-soluble paint, not for oil-based paint, otherwise it will damage the product and maintenance, and the spray pump in not included in this product</br> 2. When cleaning products, please do a good job of protective measures to prevent the skin from damage by the paint.</br> 3. When stop using, please thoroughly clean it and make it dry to ensure long-term repeated use.</br>