Tennis Net Center Strap - Regulation Net Height Adjuster [Net World Sports] PLAY TO PRO STANDARDS: Our tennis net center strap regulates net heights to official ITF standards. NET COMPATIBILITY: The strap works with ALL standard regulation singles & doubles tennis nets. LONG LIFESPAN: Anodized Double Dog Clip Buckle provides an extended lifespan & protection against the elements. COMPATIBLE FIXTURES: Straps Can Be Fixed To Base Weights or Ground Anchors FIRST CLASS SERVICE: Enjoy safe, secure, and speedy delivery from Net World Sports!