ITEM NAME:10x Lead Wire Kit Test Hook Clip Grabbers Test Probe SMT/SMD for Multimeter FT.Brass Hook Size: about 0.9mm 0.4mm. It will help you to test IC or repair cell phone and other mini electronic products more conveniently. Color: Black, blue, red, yellow, green. Powerful spring pulling the min hooks to grasp tiny components firmly and avoid any short-circuit.