Latches - Link Lock Rotary Action Latches - Lift and rotate wing to operate. The catches are available spring loaded or riveted. Spring loaded type compensate up to .156" for misalignment. Key lockable models SC-8433 and SC-8507 come with two keys and are keyed alike. Keepers are not included and must be ordered separately. Available in either zinc plated steel or Type 300 stainless steel.