ITEM NAME:M8x 15mm hexagon socket screw in threaded insert nut 20PCS for wood D5I6 M8x 15mm hexagon socket screw in threaded insert nut 20PCS for wood D5I6 Product Name: nut Material: metal, galvanized Main color: brass tone Hex size: 8mm / 0.8cm Weight: 51g Size: 15x 13mm / 1,5x 1,3cm total (L * head slide) Internal thread Diameter: M8 Package content: 20 x nut Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.