Black. Fits all T-posts, 3/4" diameter sucker rods & 1 1/8" wide U-posts. Adjusts to fit:

• T posts, steel - small, medium & large, with or without studs.
• T posts, fiberglass - medium & large sizes only.
• Sucker rods - 3/4" diameter only.
• U posts - small, 11/8" wide. Backside only.
• Small garden U posts—11/8" wide.
• Insulator opens to attach anywhere on post.
• 25 to pkg
• 10 pkgs (250) to shipper
• 20 lbs.