Quick Facts. -KATO CES provides Harford Attachments Safelock, Uni-lok, and Pro-lok couplers as well as a full line of buckets for their line of excavators. -Harford Attachments are made in the UK and distributed worldwide -Pro-lok couplers are safe, double-locking, sustainable mechanical couplers, designed for peak performance and low maintenance. -Safelock Quick Couplers are perfect […]