1. Upper cover adopt spaning structure, sensitive operation.S2. Press plate of socket head adopt humanization structure, balance press, guarantee ic press equality, and won¡¡¥t skewing.3. Crown shape of pogo pin be able to break oxide layer of solder ball, contact stable, protect solder ball shape.4. Rationalization locating slot, guide hole can make sure ic location right.5special ic support plate structure, protect pogo pin free of outside force. 6.Import pogo pin, becu plated hard golden, rhodium. Work lifetime over 100000 times. 7.Low cost for maintenance, easy to change pin, cost efficiency. 8.Mature working accuracy range: pitch=0.3mm 10 .Delivery time: in three days earliest. Yuan rong da service protection after sale. Free maintenance in 100 days (except man-made damage) Yuan rong da free provide related technical support. Yuan rong da service before sale. Provide operation specification and maintenance items.. Free train how to use this product.