stop collar for casing centralizer movement

{"cid":"91217788","title":"API Oilfield Hinged Spiral Nail Stop Collar For Casing Centralizer","imgUrl":"https:\/\/img.chinax.com\/nimg\/5a\/13\/8c30fe92b262fa0e1e4758e34766-200x200-1.jpg","attrs":{"Price":"Details pls contact our staff","Brand Name":"SWS","Model Number":"140&142&144","Minimum Order Quantity":"MOQ as per type requirements","Delivery Time":"Delivery ex-mill details need to discuss","Name":"Stop Collar","Technics":"Casting","Core Components":"cenrealizer","Application":"Oil Field","Standard":"API standard","Supply Ability":"As requirement","Place of Origin":"CHINA","Payment Terms":"T\/T or LC irrevocable In sight","Packaging Details":"Export standards packaging and others requirements should be clarified in advance"}}

{"cid":"91191664","title":"Oilfield API oilfield casing centralizer stop collar for casing centralizer","imgUrl":"https:\/\/img.chinax.com\/nimg\/b3\/45\/e833220a8db7afd8c3dc2a01123d-200x200-1.jpg","attrs":{"Price":"1$-30$","Brand Name":"ZS","Model Number":"4-1\/2 ~ 20 in","Minimum Order Quantity":"10","Delivery Time":"20","Certification":"API","Place of Origin":"China","Payment Terms":"T\/T, L\/C, D\/A, D\/P, Western Union","Supply Ability":"500 pieces\/month","Packaging Details":"wooden case","Name":"stop collar","Application":"Oil field drilling","Weight (KG)":"0.5","Stop collar size":"131 ~ 540 mm","Warranty":"1 Year","Processing Type":"Forging","Condition":"New"}}