ITEM NAME:Aluminum body desoldering pump with suction cup to remove iron welding tool T1Q3 Aluminum body desoldering pump with suction cup to remove iron welding tool T1Q3 Product Name: Desoldering Pump Material: Metal, Aluminum Punta inner diameter of the hole. : 2.6 mm Main Color: Blue, Silver Size (approx.): 19 x 2 cm (L * D); Weight: 43 g Easy to use, simply lower the plunger, place the nozzle sharpener tip against the weld you wish to remove. When the welding melts, it is activated when the trigger button is pressed and a retractable plunger creates a strong vacuum at the tip, removing the weld..Easy to use, simply lower the plunger, place the nozzle sharpener tip against the weld you wish to remove.