anti sliding stop collar for drilling

{"cid":"91191664","title":"Optimize Casing Placement Stop Collars For Drilling Operations","imgUrl":"https:\/\/img.chinax.com\/nimg\/41\/14\/4d05b5b2b7bb449408c48cbd7d24-200x200-1.jpg","attrs":{"Price":"Negotiable","Brand Name":"ZS","Model Number":"13 3\/8\u2033 to 4 1\/2\u2033","Minimum Order Quantity":"1","Delivery Time":"15 work days","Certification":"IOS,API","Place of Origin":"China,Henan","Payment Terms":"T\/T","Supply Ability":"10000sets\/month","Packaging Details":"Metal or wooden case","Application":"Application","Core Components":"PLC, Bearing","Condition":"New","Usage":"Oilfield Drilling Equipment","Features":"API Low Pressure Filter Press","Color":"Customized","Bow Spring Force":"1000 lbs","Coupling Type":"Integral","Mandrel OD":"3.5","Material":"Carbon Steel","Product Name":"Bow Spring Centralizer","Size":"3-1\/2","Length":"7.5 inch","Yield Strength":"3000 lbs"}}

{"cid":"91217788","title":"Prevent Drill Pipe From Sliding Stop Collar with Hinged Design and Cenrealizer","imgUrl":"https:\/\/img.chinax.com\/nimg\/71\/ac\/34a6962d1d54aeef6ac723816ef4-200x200-1.jpg","attrs":{"Brand Name":"SWS","Place of Origin":"China","Application":"Oil And Gas Drilling","Usage":"Prevent Drill Pipe From Sliding","Packaging":"Carton Box","Weight":"2.5 Lbs","Size":"3 1\/2","Installation":"Easy","Pressure Rating":"10,000 Psi","Type":"Slip-on"}}