美国采购需求：网球穿线机、网球拍穿线机、网球拍穿线器、羽毛球穿线机、穿线机、羽毛球穿线机出售

I'm looking to purchase a tennis stringing machine and would like to know if you have any available options that fall within my budget. My total budget is around $500, which should also include shipping costs, bringing the overall expenditure to about $600. Could you provide me with details on any models you have that fit these criteria? I'm keen on getting a reliable machine, so any specifications or recommendations you could share would be greatly appreciated. Let me know if you need more information from my side to assist with this inquiry.