over center toggle latch self locking

{"cid":"91217788","title":"Oilfield-Proven API Cementing Plug High Pressure Threaded & High Temp Resistant for Cementing Operations","imgUrl":"https:\/\/img.chinax.com\/nimg\/01\/80\/a30235b59d8f2d17a0d2bde0b8aa-200x200-1.jpg","attrs":{"Brand Name":"SWS","Model Number":"362\/364\/366\/367","Minimum Order Quantity":"1 set","Delivery Time":"ASAP","Certification":"API","Place of Origin":"China","Payment Terms":"MoneyGram, L\/C, T\/T","Packaging Details":"Wooden case","Product Name":"Cement Plug","Specification":"4 1\/2\"","OD":"114.30mm-339.70mm","Material":"Carbon Steel","Steel grade":"L80","Warranty":"1 Year","Application":"Oil & Gas Industry"}}