Features:* * Made of material, and practical to use* E-type inserts are inserted into the nut.* E-type has no flange and can be placed under the surface of the material or on a curved surface*, To install the E-type insert nut, just screw in use self-protection techniques, threading screw into the base material. The unique external thread provides reliable locking and has great resistance to twisting or vibration.* The insert nut provides thread for wood and wood panels. Specifications:* Material: Zinc Alloy * Color: As Pictures Show * Quantity: 10* Optional Size: M10x25mm, M8x25mm, M8x20mm, M6x20mm, M6x13mm, M6x10mm, M5x13mm, M5x10mm, M4x10mm Package Contents:10*EU Type Screw Weight:1. The actual colors of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness.2. Please allow slight manual measurement deviation for the data.