Sunex Tools 2504, 1/2 in. Drive Impact Extension Set, 4 Piece, SAE, 3 in. - 15 in., Cr-Mo Steel, Radius Corner Design, Wobble Drive, Steel Ball Retainer, Dual Size Markings, with Storage Tray Ergonomic This model has 18 teeth

This model has 18 teeth per-inch and measures 12 inches long by 1/2-inch wide

18'' and 24''

Brand: Electronic Specialties

Manufacturer Part Number: F8030VFR-25

Sunex Tools 2504, 1/2 in. Drive Impact Extension Set, 4 Piece, SAE, 3 in. - 15 in., Cr-Mo Steel, Radius Corner Design, Wobble Drive, Steel Ball Retainer, Dual Size Markings, with Storage Tray Ergonomic This model has 18 teethThe Sunex 2504 1 2 Drive Impact Extension Set comes in SAE sizes 3, 5, 10, and 15. Each extension has been forged from high grade Cr Mo steel, designed with wobble drive, made with a steel ball retainer, and marked by both laser etching and roll stamping to ensure permanent identification. All of this ensures our extensions professional level performance conveniently in a storage tray. Meets ANSI Standards. Features LIFETIME WARRANTY WITH SUNEXPRESS: