Techniks 32900/40CAT | CAT40 Taper x 1-7/16" - 1-7/8" Range x 1.750" Diameter x 6.060" Projection Length Steel Compression Tap HolderTechniks 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. Techniks Tension Compression Tapping Chucks offer adjustible compression to help with sensitive and hard to start taps. Techniks Holders are Taper ground to AT3 accuracy