Southco Push-To-Coose Locks Black, glass reinforced nylon housing. All non-corrosive parts. Black polyester knob. Stainless steel spring. Push the button to unlatch. Locking and non-locking styles available. Optional ejector spring helps prevent rattles. Dimensions: Maximum door thickness: .407" Dimension "A" 1.16" Dimension "B" .907" Dimension "C" .57" Dimension "D" 1.47"