Home › Blog › Buying Guide › Smart Buyer’s Guide: How to Choose the Right Pre-Owned, Used, Secondhand, Surplus CNC Equipment Before Purchasing Sip 720 JIG Coordinated Hole Borer made in Switzerland Below is a Smart Buyer’s Guide tailored for acquiring a used / surplus SIP 720 jig-boring / coherent “coordinated hole borer” (or equivalent high-precision jig / boring machine)....