· Spring Steel Design: High grade spring steel frame ensures better overall balance of tool holder assembly. Durable and long lasting. Polished body to be smooth and rust resistance. 6pcs CAT40 End Mill Holders Size: 1/4", 3/8",1/2", 5/8", 3/4", 1"; Both ER32 and ER16 Chuck Gage or projection length is 2.75"; 1pcs Precision Keyless Drill Chuck 1/2 Capacity.

· High Accuracy & Speed: CAT40 collet chuck accuracy in Tenth. Collet Set: T.I.R.: 0.0003" or 5 um. Hardened and ground to ensure maximum accuracy. High concentricity. 6pcs CAT40 End Mill Holder in Projection Length: 2.5"; ER32 and ER16 Chuck Gage or projection length is 2.75". Collet Chuck of high speed is balanced to meet all industrial standard. Stable performance.

· Multiple Collet Sizes: 12pcs ER32 collets set by 16th: 1/8"; 3/16"; 7/32"; 1/4"; 5/16"; 3/8"; 7/16"; 1/2"; 9/16"; 5/8"; 11/16"; 3/4"; 10pcs ER16 collets set: 1/32", 1/16", 3/32", 1/8", 3/16", 7/32", 1/4", 5/16", 11/32", 3/8". Special angled slots increase rigidity. Better overall balance of tool holder assembly. Use with any standard ER collet chucks for coolant-thru tool applications.

· Effortless to Operate: Precision collet chucks are designed to be easy to use. V-groove or/and Fully ground flange say it is easy on tool changers for less spindle and changer maintenance.

· Free Wrenches & Pull Studs: Three free wrenches for extra tightening and easy release if necessary. 10 free HAAS pull studs. Ideal for CNC Lathe/milling, drill press, and heavy duty hand tools.

Specifications
Keyless Drill Chuck: 1/2 Capacity
Chuck Accuracy in Tenth
Collet Set: T.I.R.: 0.0003" or 5um
Material: Spring Steel

Package Content
6 x End Mill Holder
3 x ER32 Collet Chuck
2 x ER16 Collet Chuck
1 x 1/2 Keyless Drill Chuck
12 x ER32 Collets Set by 1/16
10 x ER16 Collets Set by 1/32
10 x Pull Stud