Southco Inc C3-310 Snap-In Grabber Catch .043 to .114 Panel Thickness, 10 Lbs. Pull Force, Fast economical installation. Two different pull up forces. Fits frames from .043" to .28" thick. Installation hole size .59" x 1.57". Push to close, pull to open. Spring loaded over center action. Corrosion resistant black ABS with Type 303 stainless steel spring.