Thinsont Spring Collect Chuck Holder Set Replacement Replace Components 1/8 1/4 5/16 1/2 ER20 Mill Tool Bit Kit Milling Machine Component

High Class Material: The spring collet chucks tool is made of high class material which is practical and durable. Simple Structure: The spring collet chucks are simple in structure very easy to use. Fine Workmanship: The spring collet chucks enjoy excellent craftsmanship long service life and good performance. Fine Polishing: The spring collet chucks components come with fine polishing which ensures the smooth surface. Compact size: It comes with a compact size providing convenience for carrying and storage. Color: As shown. Material: Metal. Size: Approx. 11.0x5.5x3.5cm/4.3x2.2x1.4in. 1 Set Spring Collet Chucks.