Our Steel Border Restraints Are Supplied In 6mm Steel Rod Which Is Left Untreated To Quickly Develop A Beautiful Rust Patina Over Time, Available In A Variety Of Sizes, Comes With A 5 Year Guarantee And Will Support Plants For Many Seasons.perfect For Anemone Honorine Jobert, Crocosmia Lucifer, Aster Monch, Artemisia Silver Queen, Agastache Blue Fortune, Monarda Fireball, Perovskia Blue Spire, Phlomis Russeliana, Rudbeckia Goldsturm.unobtrusive And Portable, These Border Restraint Plant Supports Can Be Used On Their Own Or In Pairs To Create A Row Or Circle, Being Quite Springy, They Can Be Widened Or Contracted To Suit And Are Easy To Adjust As Your Needs Change Throughout The Season.ideal In Beds And Borders To Control Bushes And Plants And Stop Them Spilling Over Pathways. new 6mm Thick Steel Border Restraints Develop A Natural Rust Finish Over Timeideal For Edges Of Pathways And Grasshelps Shape And Restrain Annuals, Perennials And Small Shrubs And Busheslasts Season After Seasonflexible And Easy To Adjust5 Sizes Available - 30cm, 40cm, 51cm, 75cm 100cm designed And Manufactured In The Uk By Us5 Year Guaranteeperovskia And Agastache Examples Showing How These Plants Can Require Support When Growing. perfect For Anemone Honorine Jobert, Crocosmia Lucifer, Aster Monch, Artemisia Silver Queen, Agastache Blue Fortune, Monarda Fireball, Perovskia Blue Spire, Phlomis Russeliana, Rudbeckia Goldsturm.