| 21V Lithium charging light hammer | BW-3521 |
No-load speed | 0-1200r/min |
| Bit diameter | 20mm |
| Shock frequency | 0-3200rpm |
| Battery voltage | 4000mAh |
Email：bw@ntbaiwen.com 
Web：www.f9k1.com 
Add: No. 88 Liuhao Road, Liuhao Town,
Haimen Port New Area, Haimen City, Jiangsu Province 
Copyright ? 2023 Jiangsu Nantong Baiwen Electric Tools Co.,Ltd. 蘇ICP備18047937號-1 Technical support：Sueasy
