This is a Metal accessory designed specifically to optimize thermal performance. Metal replacement works well after extending the pins at the bottom, and once completed, the connection is perfect. Model: V1 Material: Metal colour: As shown Package Contents: 1 x tInsert Part Replacement cores Only the above package content, other products are not included. Note: Light reflection 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.