The WELLER RT soldering tip series is perfect for the finest soldering work. Very fast heat transfer as the heating element is integrated into the needle tip. Due to the short distance from soldering tip to soldering point, they are also particularly recommended for use under a microscope or magnifying glass. - RT Micro series soldering tips are suitable for WXMP/WXMP MS soldering irons - powerful active soldering tip for the smallest micro-components from 0402 up to 01005 - short distance between tip and handle, therefore maximum precision and maximum tool handling - MIL-SPEC / IPC standard (potential-free, MS versions) - very short heat-up time - energy-saving - long service life - Type/dimensions:RTM 030 K/0.9 x 2.2mm - Design:Knife