Techniks 42250-100 | 1.380" Diameter x 3.940" Projection Length Modular Extension MicroFLOATTechniks mission is to provide high quality and innovative solutions that optimize manufacturing processes for customers engaged in metalworking, composites machining, and woodworking to meet the most challenging applications, improve machining processes, and create cost efficiencies. Modular extensions allow for versatility in adapting to specific tapping applications. Extensions allow you to build gage lengths up to 9" Product Specifications UNSPSC