Features: High quality materials and professional design Hand tool for picking up small electronic components for example IC Three suction headers are provided with this suction pencil, larger size, medium size and small Size respectively for: larger size: 40g; medium size: 18g; small size: 3g Length: approx. 15.3cmIntroductions: Install a proper IC suction header on 939 suction pen After installing the header, put the header on IC Press the button on the suction pen to discharge the air,then release the button to produce vacuum suction force to pick up IC. Put the IC on appointer place,press the button, the vacuum pen discharges air to let the IC fall off