three point bore gauge with setting rings

{"cid":"91221137","title":"Set of Digital Three-point Bore Gauge with Setting Rings and Extension Rods for Wide Measurement","imgUrl":"https:\/\/img.chinax.com\/nimg\/30\/4b\/f088607ddf72c09cd75601ec045e-200x200-1.jpg","attrs":{"Brand Name":"KM","Model Number":"KM-2335S-20","Delivery Time":"Within 15days","Certification":"ISO DIN GB RoHS","Place of Origin":"Shaanxi, China","Payment Terms":"T\/T,L\/C,D\/P,D\/A,Western Union,PayPal,MoneyGram","Supply Ability":"50000pieces\/Month","Packaging Details":"Aluminium Box 30*19*8cm\/Piece 2.60kg\/Piece","Warranty":"One Year","Measurement Object":"3 Point Internal Micrometer Set","Measurement":"Metric","Protection Level":"IP54","Range":"12-16mm,16-20mm","Setting rings":"\u03a616mm","Extension Rods":"150mm","Feature":"Ratchet Stop","Form":"Equipped with Extension Rod","Applications":"Holes, Slotted Hole, Etc","Package":"Aluminium Box"}}