Product description (product highlights) 1、New upgraded body 2, The whole machine can withstand 135 ° C high temperature sterilization. 3, 360 degree free rotary interface, free to change, reduce fatigue. 4、Dustproof design of the head, preventing impurity particles from being involved inside the head of the cell phone. 5、Lock type needle clamp, stable, will not fly needle. Performance parameters (function, appearance and size, net weight, noise, etc.) 1、The minimum length of the needle is 16mm, the maximum length is 26mm. 2、Air consumption under 0.25Mpa: 55NL/min. 3、Gear speed ratio 1:1, maximum no-load speed: 18000rpm 4、Type and size of needle: in line with YY0761.1 5、Noise less than 70db 6、Net weight 180g, gross weight 300g , outer package size 155*75*25mm