Description: - Set of 6 string saddle insert string lock blocks - Use to clamp strings in at the bridge - Apply to Tremolo Bridge - Material: Iron - Color: BlackSize Chart:Size(L x W x T): Approx. 7.9 x 4 x 5mm/ 0.31 x 0.15 x 0.19inchPackage Includes:6 Pieces Guitar Bridge Saddle Insert BlockNote:Due to the difference between different monitors, the picture may not reflect the actual color of the item.Due to manual measurement, there may be 1-2mm error in size.Durable.