how to pick a circular lock

{"title":"FGG 1B M12 4 pin male self locking push pull circular connector","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/d0\/f5\/dd4632080cf9a3df3aeec4cef086-200x200-1.jpg","attrs":{"Price":"","Brand Name":"MOCO","Model Number":"1BT1G04CLA","Minimum Order Quantity":"10pcs","Delivery Time":"7-10 working days after simple confirmation","Certification":"UL\/CE\/RoHs\/ISO9001","Place of Origin":"Shezhen, China","Payment Terms":"T\/T, Paypal, , Western Union","Supply Ability":"200000pcs\/month","Packaging Details":"Each connector in a PE bag. every 50 or 100 pcs of connectors in a small box (size:20cm*15cm*6cm), every 6 small boxes in a carton(size:30cm*20cm*20cm)","Product name":"FGG 1B M12 4 pin male self locking push pull circular connector","number of pin":"4 pin","gender":"male","insulator material":"PPS","Endurance (Shell)":"5000 mating cycles","Vibration":"15 g [10 Hz - 2000 Hz]"}}