RV Designer Safety Lock Pin 5/16in x 2 1/2" 5/16in x 2-1/2in. The snap lock bale is spring tensioned for a strong holding action. Made of zinc plated steel that resists rust and corrosion. Each package contains one safety lock pin. Features of RV Designer Safety Lock Pin 5/16in x 2 1/2" Designed for a secure trouble-free installation Snap lock bale is spring tensioned for a strong holding action Made of zinc plated steel Resists rust and corrosion Dimensions: 5/16" x 2-1/2" Package Contents: RV Designer Safety Lock Pin 5/16in x 2 1/2" RV Designer H423: Safety Lock Pin 5/16in x 2 1/2" 5/16in x 2-1/2in