Sold as 4 UNITS at $5.64 per unit. (1 unit = Pk/3.) Nylon insulation for resistance to sunlight, water, oil, chemicals and vibration. Adhesive lined heat shrink sleeve for water tight seal. Tin plated copper for corrosion resistance. Blazed seam for maximum strength. UL listed. 12-10 AWG, 1/4 Stud Size. Yellow, Clamshell/pk3. Manufacturer number: AMT-108. SKU #: 3196813. Country of origin: (TBA). Distributed by Gb Electrical.