Specification Brand : uxcell BulletPoint1 : Material: Plastic BulletPoint2 : Net Weight: 89g; Package Content: 4 Pcs x Cable Glands BulletPoint3 : Model: PG21; Main Color: White BulletPoint4 : Thread O.D: 26mm/1"/3/4NPT; Total Size: 3.3 x 4.4cm / 1.3" x 1.7" (Max.D*H) BulletPoint5 : Cable Range: 16-21mm / 0.63"-0.83" Color : Silver DriveSystem : Slotted ExteriorFinish : Fiber ExternallyAssignedProductIdentifier1 : 712662165637 ExternallyAssignedProductIdentifier2 : 0712662165637 ItemName : uxcell 4Pcs PG21 Compression Waterproof Stuffing 16-21mm Cable Glands White ItemPackageDimensions_Height : 4.318 centimeters ItemPackageDimensions_Length : 14.224 centimeters ItemPackageDimensions_Width : 20.574 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : mechanical-control-cable-accessories Manufacturer : uxcell Material : Plastic Material1 : Aluminum Material2 : Steel MetalType : Copper MetalType1 : Aluminum MetalType2 : Alloy Steel ModelNumber : US-SA-AJD-65712 NumberOfItems : 4 NumberOfPieces : 500 PartNumber : a15062500ux0270 ProductDescription : This device is designed to attach and secure cables to control boxes, distribution panels, electrical appliances, machines, etc. This product is also used for sealing cables passing through bulkheads or gland plates. Cable glands may be used on all types of electrical power, control, instrumental data and telecommunications cables. Ratchet type lock nut ensures a firm grip on the cable. Nylon lock nut included Tight seal makes, it resistant to most liquids. (salt water, weak acids, gasoline, oil, grease, and common solvents)