Brand NEW! Add a professional detail to your DIY speakers with Dayton Audio's OP-4 ABS outrigger set. The OP-4 outriggers attach directly to the bottom of a speaker enclosure and gracefully wrap up the side resulting in a clean look while widening the footprint to make tall speakers more stable. With optional spikes or foam pads, this outrigger set is suitable for use on any flooring surface. Dayton Audio OP-4 Outrigger Speaker Spike Set with ABS Base 4 Pcs Sometimes finishing touches can make or break a design, and the Dayton Audio OP-4 ABS outrigger set might be just what you need to give your project the look you desire. This outrigger set installs on the bottom of enclosures and wraps up the sides, providing a professional look while increasing your speaker's footprint for better stability. The OP-4 outriggers includes optional spiked feet, which are ideal for making narrow speakers more stable and level on carpeted surfaces. Foam pads are included for use on hard floors (wood, laminate, tile, etc?). Note: Dayton Audio OP-4 Outriggers are sold in sets of 4. Dimensions: 2-1/2" H (3-3/4" H with spike) x 1-7/16" W x 2-1/8" D. - All international buyers are responsible for all tax, duties and/or customs fees.