Kingrinder K6 Review: $109 Hand Grinder vs J-Ultra
Quick Answer The Kingrinder K6 is a $109 all-metal manual grinder with stainless steel conical burrs, external numbered adjustment, and roughly 240 clicks of range, which makes it a legitimate single grinder for espresso, pour over, and French press . The $199 1Zpresso J-Ultra adjusts in 8 micron steps versus the K6's 16 microns, so…