About this item High Quality: This speaker spike is made of carbon iron with polish and second-time plating, not easy to fade and oxidize. Its surface is smooth without any burrs, featuring a delicate appearance and comfortable hand feel. Adjustable Height: The speaker spike is designed with a height fine-tuning balancing nut, allowing for easy height adjustments. Wide Application: The speaker spikes are suitable for HiFi speakers, speaker frames, amplifiers, CD/DVD players, turntable recorders, chassis, instruments, and more. Function: The speaker shock base pad is used between the spike and the ground to minimize harmful vibrations. Package Includes: 4PCS Black Speaker Spikes + 4PCS Speaker Spike Pads. Size: 1.65 x 0.31 x 1.65 inches. Dimensions: 1.65 x 0.31 x 1.65 inches.