BW-WP-25(500/CS) Features: -Insulator.-High density black linear polyethylene for sunlight resistance.-Operates well in any climate, in any part of the world.-45 degree slot easily accepts any fence wire and holds it is place.-25 pack. Color/Finish: -Color: Black. Dimensions: -Weight: 0.8 lb.-Dimensions: 1" H x 1" W x 1" D.