NEW WGC Air Probe w/ Duraplate Master Setting Ring Gage CLASS XXX # 2.1664 957 This is awesome 2.1664 Ring gage set. This is HARD to find. I do not know much about these or what they go to. These come in original boxes, but they look new to me. Maybe slightly used. Got them at factory overstock sale FREE SHIP ** I have many MANY more of these gages from WGC. I will give you a deal if you want multiples. Please see my other listings. My partner is listing the Standard and I am listing the Metric. NEW WGC Air Probe w/ Duraplate Master Setting Ring Gage CLASS XXX # 2.1664 957 This is awesome 2.1664 Ring gage set. This is HARD to find. I do not know much about these or what they go to. These come in original boxes, but they look new to me. Maybe slightly used. Got them at factory overstock sale FREE SHIP ** I have many MANY more of these gages from WGC. I will give you a deal if you want multiples. Please see my other listings. My partner is listing the Standard and I am listing the Metric. Recommended products Provided by WGC Air Probe w/ Duraplate Master Setting Ring Gage CLASS XX # 60.426 MM 11G View item WGC Air Probe w/ Duraplate Master Setting Ring Gage CLASS XX # 61.650 MM 11L View item NEW WGC Air Probe w/ Duraplate Master Setting Ring Gage CLASS XX # 2.2735 13C View item WGC Air Probe w/ Duraplate Master Setting Ring Gage CLASS XX # 58.900 MM 11G View item WGC Air Probe with Duraplate Master Setting Ring Gage CLASS XX # 58.266 MM 11G View item WGC Air Probe with Duraplate Master Setting Ring Gage CLASS XX # 57.550 MM 11L View item WGC Air Probe with Duraplate Master Setting Ring Gage CLASS XX # 58.346 MM 11G View item WGC Air Probe w/ Duraplate Master Setting Ring Gage # 52.452 MM ID# 999 10d View item