hook gauge
...that a hook gauge detects irregularities in manufacturer sizing of crochet hooks and knitting needles?
...that a <b id="mwAuY"><a href="./Hook_gauge" id="mwAuc" rel="mw:WikiLink" title="Hook gauge">hook gauge</a></b> <i id="mwAug">(pictured)</i> detects irregularities in manufacturer sizing of <a href="./Crochet_hook" id="mwAuk" rel="mw:WikiLink" title="Crochet hook">crochet hooks</a> and <a href="./Knitting_needle" id="mwAuo" rel="mw:WikiLink" title="Knitting needle">knitting needles</a>?