A compact angle grinder model WS-J7 that offers variable-speed control and customizable options. The unit accepts 125 mm grinding discs (about 4.92 in) and comes in a chassis measuring approximately 3.94 in × 7.87 in × 11.81 in. It operates at 50–60 Hz and is rated 20 V; the tool weighs about 5.51 lb. Intended for renovation teams and delivered by the WOSAI brand.