Dimensions = 0.7mm (0.03") x 1mm (0.04") MT-200 MiniTweez Thermal Tweezer Tip-Heater Cartridges are for designed for reworking miniature sized chip components as small as 0201, 0402 and 0603, and can also handle larger SOT, D-Pak, TSOP and SOIC components. Not for use with older MT-100 MiniTweez -- For AccuDrive-powered soldering & rework stations only (including ADS200 Systems).