Black Viper Channel&trade; for Chain Link Fence Slats Bottom locking track for chain link fence slats sold by Slat Depot. Works with Slat Depot Ridged Slats or Tube Slats. Bottom channel holds vertical fence slats in place. Includes three 42 inch pieces for 10 feet of fence (slats not included). Purchase extra track with slats when using in chain link with larger than two inch diamond.