Specification Brand : AMM BulletPoint1 : 【Capacity】This socket extension set has the sizes and tools you'll need for almost any project, including 1/4" Drive Extension Bar (3", 6"); 3/8" Drive Extension Bar (3", 6", 10"); 1/2" Drive Extension Bar (3", 6",10"); Universal Joints (1/4", 3/8", 1/2"); Socket Adapters (1/4"F * 3/8"M, 3/8"F * 1/4"M, 3/8"F * 1/2"M, 1/2"F * 3/8"M); Impact Coupler (1/4"Hex * 1/4"Dr, 1/4"Hex * 3/8"Dr, 5/16"Hex * 1/2"Dr) BulletPoint2 : 【Material】Our extension set constructed from high-strength Chrome-Vanadium Steel , with a protective black phosphate coating BulletPoint3 : 【Clearly Size】The high-contrast size marking of the extension bar is permanently laser etched, making it easy to read even in low-light conditions BulletPoint4 : 【Convenient】Our impact extension set come with a heavy duty blow molded storage case, easy to carry, transportation and safe storage BulletPoint5 : 【Versatile】Spring loaded detent ball and the through-hole in the drive end ensure sockets or extension bars from dropping.Socket extensions for reaching tight space, universal joints for changing angles and getting narrow area, socket adapters allow using different drive size sockets, coupler can be used to convert different screwdrivers for installation and removal of bolts BulletPoint6 : 【Brand Service】AMM provides all-day customer service, if you have any questions, please find us through Amazon, we will be happy to solve your problem. Thank you for your attention and support to AMM brand Color : Black CompatibleFastenerDescription : 0.25 inches DriveSystem : Torx ExternallyAssignedProductIdentifier : 4953488111040 ExternallyAssignedProductIdentifier1 : 886352531160 ExternallyAssignedProductIdentifier2 : 0886352531160 FinishType : Polished ItemDisplayWeight : 0.22 pounds ItemLength : 0.63 inches ItemName : AMM 18 Pcs Impact Socket Extension Set Tools, 1/4", 3/8", 1/2" Drive Socket Adapter, Extension Bar, Impact Univeral Joint, Impact Coupler with Cr-V Steel for Power Drill & Impact Driver ItemPackageDimensions_Height : 36.0934 centimeters ItemPackageDimensions_Length : 5.7912 centimeters ItemPackageDimensions_Width : 29.9974 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : drive-socket-sets Manufacturer : AMM Material : Chrome Vanadium Steel Material1 : Plastic Material2 : Chrome Vanadium Steel MeasurementSystem : Metric ModelName : YMX088 ModelNumber : YMX088 NumberOfBoxes : 1 NumberOfItems : 18 NumberOfPieces : 18 PackageLevel : unit PartNumber : YMX088 ProductDescription : Look for durable socket extension sets with flexible shafts and secure locking mechanisms to access tight spaces and increase torque. Prioritize quality materials and ergonomic designs for comfortable handling during heavy-duty tasks. Socket extension set is made from heavy-duty chrome-vanadium steel alloy with a corrosion-resistant black phosphate finish, providing durability for hard use. ProductSiteLaunchDate : 2023-11-15T03:32:01.050Z Size : 18PC Style : 54pcs - Silver SupplierDeclaredDgHzRegulation : not_applicable SupplierDeclaredHasProductIdentifierExemption : 1 UnitCount : 18 UnspscCode : 27112800