Specification Brand : JQKJCAM BulletPoint1 : 【Special Design】: A black protective cover ring with 6pcs white pulleys in a circle evenly. BulletPoint2 : 【This Guide Wheel Protective Cover Plays Two Important Roles】: 1. It can prevent the camera from being scratched. 2. It makes the camera move forward more smoothly in a big pipe. BulletPoint3 : 【For 17mm/0.67in Camera】: Its inner diameter is 17mm. Its outer diameter is 90mm. So a 17mm camera with this guide wheel protective cover can go through a 90mm pipe or above. BulletPoint4 : 【Easy to Install and Dismantle】: You can tighten and loosen the small white screws. BulletPoint5 : 【Compatibility】: Warm tips :Before you order this guide wheel, please pay attention to the compatibility. It is only for our 17mm/0.67inch camera. ItemName : Sewer Camera Guide Wheel,Protective Cover with Pulleys for 17mm/0.67in Snake Pipe Drain Duct Inspection Camera,JQKJCAM Plumbing Borescope Camera Accessory/Parts ItemPackageDimensions_Height : 1.97 inches ItemPackageDimensions_Length : 6.69 inches ItemPackageDimensions_Width : 4.3 inches ItemTypeKeyword : borescopes Manufacturer : ShenzhenJiejing ModelNumber : sewer camera protector PartNumber : JQ-G W-17mm ProductDescription : A 17mm/0.67inch sewer inspection camera paires with this guide wheel will perform very well,no scratch,no stuck,easy to push forward. Package list: 1*Guide wheel protective cover ProductSiteLaunchDate : 2024-08-01T08:39:50.832Z Size : for 17mm/0.67in Style : Guide Wheel SupplierDeclaredDgHzRegulation : not_applicable UnspscCode : 45121600