UNIVERSAL COMPATIBILITY: The heavy-duty speaker stands pair fit most speakers up to 11 lbs. With multiple attachment options, the floor speaker stands can work on speakers with different mounting holes. Speakers of MAX size 9.4"(D) x 18"(H). HEIGHT ADJUSTABLE: This bookshelf speaker stands are made of heavy-duty cast iron for better durability and stability. (9.8" x 9.8" wide base) The height of this speaker stand can be adjusted from 32.5 inch to 42.4 inch to give you the best listening experience. EASY ASSEMBLY: These satellite speaker stands include all required hardware, so you can handle it without any hassle. The speaker stands feature adjustable feet for better leveling after installation. WIRE MANAGEMENT: Concealed wire path provides an ultimate wire management solution. The enlarged cable hole ( 0.8“ W x 1.73" H) design of speaker stands enables cables to get through easily. CUSTOMER SERVICE: Our US-based customer service experts are available every day to help. If you have any problems or concerns about the speaker stands, please contact us anytime.