Srn9021 Pneumatic 21 Degree Framing Nailer Tool for Window Build-up. Tool-free Depth Adjustment: Allows flush or countersunk drive into varying materials without tools. Lightweight Design: Weighs only 8.6 lbs (3.90kgs) for easy handling and reduced fatigue. Durable Aluminum Magazine: Extruded aluminum construction ensures extreme durability for heavy-duty use. Customizable Color: Color can be customized to meet specific branding or aesthetic requirements. OEM Service Available: OEM service is available for custom branding and specifications. Versatile Nail Compatibility: Drives 21-degree plastic collated nails from 2 to 3.25 inches in length. Comfortable Rubber Grip: Ergonomic rubber grip ensures a secure hold and user comfort. Professional Performance: Hardened one-piece piston provides superior power for professional applications.