VEVOR 5 PCS Collet Set, CAT40 ER32 Collet Chuck, for CNC Engraving Machine Milling Lathe Tool (CAT40 ER32) About this item 40Cr Durable Design: High precision CAT40 tool holder is integrated for a single piece construction. High grade 40Cr frame ensures better overall balance of tool holder assembly. Durable and long-lasting. Polished body to be smooth and rust resistant. 0.0002" Great Accuracy: CAT40 holder accuracy in Tenth, 0.0001-0.0002" max. Hardened and ground to ensure maximum accuracy. High concentricity. Stable performance. 2.75" Gage Length: 5pcs precision CAT40 collet chucks are easy to use. Gage or projection length of ER32 is 2.75" (70 mm). Decent quality at the reasonable price. ER32 High Performance: CAT40 tool holder set is high speed balanced to meet all industrial standard. High performance for CAT40 chuck working. Effortless to Operate: Through spindle coolant capability from pull stud to collets, V-Flange CAT 40 is production balanced to high speed spindle turning and meet standard industrial needs. Ideal for CNC Lathe/milling, drill press, and heavy-duty hand tools. Specifications:- Length: 37.5 in, Width: 17.0 in, Height: 9.0 in (description exceeds maximum possible length)