Features 1、Tool set made of high quality steel with great match of hardness and toughness, thus prolonging its service life. 2、All products are placed in the toolbox for easy carrying. 3、Fine workmanship ensures high accuracy in work. 4、Complete accessories, more convenient to use. 5、The product is very versatile and is often used in industrial applications. Specification Feature: Tool set made of high quality steel with great match of hardness and toughness, thus prolonging its service life. All products are placed in the toolbox for easy carrying. Fine workmanship ensures high accuracy in work. Complete accessories, more convenient to use. The product is very versatile and is often used in industrial applications. Specification: Material: Steel Drawbar thread: MT3 M12*1.75 1-1/2"-18UNF Diameter of Boring head: 50mm Diameter of boring bar: 12mm Package list: 1 * Boring head 1 * Drawbar thread 9 * Boring bar 3 * Wrench Note: The actual product color may deviate from the photo due to light. There may be a slight deviation in the measurement of product. Package List