how to pick a circular lock

{"cid":"91186893","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]"}}

{"cid":"91221588","title":"Stainless Steel Locksmith Pick Tools for Strongbox Safe Unlocking Set","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/14\/10\/489237578d046f683e664a549827-200x200-1.jpg","attrs":{"Price":"Negotiate","Brand Name":"AIMIN","Model Number":"AML021141","Minimum Order Quantity":"1pcs","Place of Origin":"China","Payment Terms":"T\/T,MoneyGram,pay pal","Packaging Details":"standard export packing \/ Customized","Name":"HUK Strongbox Lock Pick Set","Weight":"550g","Material":"Stainless Steel","Key words":"Locksmith Pick Tools","Type":"Strongbox Opening Tools"}}