100% brand new and high quality. Feature: The speaker spike is made of metal material, it is anti-oxidation, heat resistant and durable. Each kit of the speaker spike is consists of a spike, a base pad and two-sided adhesive tape. It has good shockproof capability, thus it will effectively protect the amplifier from shocking. It is easy to install, just follow the directions, clean the floor at first and then apply it to a suitable place. It is suitable for amplifiers, audio equipment, etc. Specifications: Item Type: Speaker Spike Material: Metal Size: Base pad diameter: about 25mm/0.9in Base pad height: about 5mm/0.1in Spike diameter: about 28mm/1.1in Spike height: about 28mm/1.1in Color: Gold Suitable for: amplifiers, audio equipment, etc. Quantity: 4 Set Note: No retail package. Transition: 1cm=10mm=0.39inch Please allow 1-3mm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package Includes: 4 x Speaker Spike 4 x Base Pad 4 x Double-sided Adhesive Tape