1.Dual-Model for Comprehensive Coverage-Two models (YE-12MB and YE-20MB) cover a wide range of small electronic connector terminals with different pin spacings (pitches) from 1.0mm to 3.96mm and beyond 2.Precision Ratcheting Mechanism-Each tool features a ratcheting action designed to ensure a complete, consistent crimp cycle for reliable electrical connections 3.For Electronics & Model Making-Suitable for crimping terminals used in electronics assembly, prototype development, radio-control models, drone wiring, and small appliance repair 4.Carbon Steel with Straight Handle-Constructed from carbon steel with a straight handle design, intended to provide durability and control during precise crimping tasks 5.Model-Specific Terminal Compatibility-YE-12MB covers terminals like 2.8/4.8/6.3mm, SM2.54, KF2510, VH3.96, 5600, 5557, 5559; YE-20MB covers SM2.54, SH1.0, ZH1.5, PH2.0, XH2.54, VH3.96, KF2510, 5264, Manufacturer: LPAYBCFO