Feature: 1. DURABLE MATERIAL: Tap socket is made of premium steel, which is wear resistant and durable, and can be used for a long time. 2. SUITABLE FOR SOCKET WRENCHES: Suitable for all 3/8inch socket wrenches (M19 wrench), please check the suitable model before purchase. 3. EASY TO WORK: Makes tapping and threading easier, labor saving and practical, a must have tool accessory. 4. APPLICATION: Compact and small, used in narrow work space, solve the situation of not being able to get to the narrow space. 5. COMPACT AND PORTABLE: Small size and light weight, will not take up too much space, can be used on the go. Specification: Item Type: Tap Socket Product Material: High Speed Steel Size: Approx. 2.5x6x1.7cm / 1.0x2.4x0.7in Gross Weight: 165-252g/5.8-8.9oz Application: For M19 Wrenches with 3/8 Bore Sockets.. Package List: 1 x Tap Socket7 x Tap Note: All data are measured manually, and there are certain errors in the measurement results.