digital caliper for o ring grooves

{"cid":"91221137","title":"0-500mm\/0-20\" Cylindrical Head Outside Groove Digital Caliper for O-ring grooves Measurement","imgUrl":"https:\/\/img.chinax.com\/nimg\/a7\/50\/2e73ad6a1c7c6e97db8d320e81c5-200x200-1.jpg","attrs":{"Brand Name":"KM","Model Number":"KM-DOG-500-1","Delivery Time":"Within 15days","Measure Method":"Automatic","Measurement":"Metric\/Inch","Measurement Object":"Outside Groove","Packaging Details":"ABS Box 48*23*8cm\/Piece 2.50kg\/Piece","Material":"Stainless Steel","Payment Terms":"T\/T,L\/C,D\/P,D\/A,PayPal,etc.","Warranty":"One Year","Anvil":"Round Anvil","Supply Ability":"50000pieces\/Month","Range":"0-500mm\/0-20\"","Feature":"LCD Display for Easy-Reading","Package":"ABS Box","Type":"Special Calipers","Customized":"Available","Certification":"ISO DIN GB RoHS","Place of Origin":"Shaanxi, China"}}