Buyers-B2596SS-Spring Latch Assy, 3/4in., Stainless Steel
      Spring Latch Assembly - 3/4" Stainless Steel
Spring loaded bolt can be locked in the open position.
Turning lever allows the bolt to close under spring pressure.
Stainless steel bolt and housing
  Spring loaded bolt can be locked in the open position.
Turning lever allows the bolt to close under spring pressure.
Stainless steel bolt and housing