VEVOR Fence Post Extender, 8 Packs 23.8 in Barbed Wire Arm, Sturdy Steel Fence Height Extender, Flat or Surface Mounted Barbed Wire Extension Arms, Protect Privacy and Prevent Pets Jumping Off 23.8" Fence Height Extension Premium Steel Build Twist-Lock Ring Design Complete Installation Kit Wide Application Anti-Wobble Bracket Pack Quantity: 8 pcs,Item Model Number: YX25-008,Product Dimensions: 23.8 × 3.0 × 1.8 inch / 605 × 75 × 45 mm,Net Weight: 11.5 lbs / 5.20 kg (including all accessories)