| Specification | Parameter |
| Brand | Dongcheng |
| Model Number | DSM21-100B (Heavy Duty Electric Angle Grinder) |
| Product Type | 4-Inch Electric Angle Grinder |
| Power Input | 900 W |
| Maximum Speed | 13,000 RPM |
| Wheel Diameter Compatibility | 100 mm (4 Inches) |
| Switch Type | Paddle Switch with Lock-On Mechanism |
| Dust Protection | Integrated Dust Ejection System |
| Cord Length | 3 Meters |
| Unit Weight | 2 Kg |
| Physical Dimensions (W x H x D) | 11 cm x 12 cm x 10 cm |
| Sales Package Contents | Angle Grinder, Wheel Guard, Side Handle, Wrench & Cardboard Box |
| Best Used For | Metal Cutting, Weld Grinding, Surface Deburring, & Masonry Fabrication |
Powerful 900W Motor Performance: Driven by a robust 900W heavy-duty motor delivering high torque and an impressive 13,000 RPM max speed for fast, efficient cutting and grinding.
Integrated Dust Ejection System: Features an advanced internal airflow design that blows harmful abrasive dust away from the motor windings, substantially extending operational life.
Ergonomic Slim-Body Design: Designed with a compact, slim profile and a secure side handle, ensuring comfortable grip and precise control during prolonged fabrication tasks.
Paddle Switch with Lock-On: Outfitted with a safe paddle switch and lock-on mechanism to support continuous, fatigue-free operation across large metalworking projects.
Complete Ready-to-Use Kit: Ships complete with a wheel guard, auxiliary side handle, wrench, and a 3-meter power cord housed in a durable cardboard box for immediate job-site deployment in Nepal.