The size of the insert refers to the inside diameter and thread pitch.
M4x0.7 SS Insert 6.0 Part #14072 Stainless Steel Metric Insert Size M4x0.7 Insert Length Metric is 6.0 Professional Thread Repair TIME-SERT® thread repair system the ultimate way to repair threads in stripped or damaged holes This listing is for (1) ONE insert Please note: The size of the insert refers to the inside diameter and thread pitch.