Specification AgeRangeDescription : Adult BaseType : Leg Brand : uxcell BulletPoint1 : Designed specially for fitbit Alta/Flex to protect the clasp loose and band fall off BulletPoint2 : This simple insurance will keep your Fitbit safe. BulletPoint3 : Light weight and more flexible BulletPoint4 : Size: 20 x 7 x 8mm/0.79" x 0.28" x 0.31"(L*W*T) BulletPoint5 : Fit Strap Width: 17mm/0.67" ClaspType : Tang Buckle CompatibleDevices : Watch Department : unisex ExternallyAssignedProductIdentifier : 3767920913717 ExternallyAssignedProductIdentifier1 : 602451041252 ExternallyAssignedProductIdentifier2 : 0602451041252 FinishType : Powder Coated IsAssemblyRequired : 1 ItemName : uxcell Rubber Watch Strap Retaining Keeper Hoop Loop Buckle Holder Ring 5pcs Multicolor ItemPackageDimensions_Height : 14 centimeters ItemPackageDimensions_Length : 1.3 centimeters ItemPackageDimensions_Width : 10.4 centimeters ItemPackageQuantity : 1 ItemShape : Round ItemTypeKeyword : watch-repair-tools Lifestyle : Fashion Manufacturer : uxcell Material : Brass MetalType : No Metal Type ModelNumber : a15102300ux0667 NumberOfCompartments : 1 PartNumber : a15102300ux0667 Pattern : Solid ProductDescription : Remove watch band tutorial: First: Prepare a toothpick or sharp or hard fine small items, Second: with tapered object point force hole buckle clasp, which has a spring green ear; do not let go after the insert another one hand while helping to win the clasp. Third: replace the bezel or a new bezel.