The Steel Bracket Is Exceptionally Strong & Is Held Firmly In Position By The Cropped Bolts, One Of Which Is Supplied With Each Bracket. The Bolt Simply Slots In To The Channel On The Roof Or Side Glazing Bar & Turns Through 90 To Lock Securely Into Position. The Small Fixing Supports Are Supplied In Packs Of 10 & Make An Ideal Fixing Point For Our Hanging Basket-friendly S Hooks. Small Fixing Supports Supplied In Packs Of 10 Manufactured From Heavy Duty Steel Ideal Greenhouse Tying Point For Growing Climbing Plants Such As Vines & Cucumbers Strong & Dependable Held In Position By Cropped Bolts (supplied) Simply Place Cropped Bolt Head In Glazing Bar Channel & Turn 90 To Fix Use With S Hooks To Create A Strong Hanging Basket Fixing Point Additional Cropped Bolts Also Available