Specification Brand : JonPhoe BulletPoint1 : PRACTICAL ANGLE GRINDER ATTACHMENT SET: The package includes 1 pair of angle grinder flange nut and 1 piece of angle grinder extension rods (5 inches). All accessories are compatible with standard American angle grinders with 5/8”-11 threads. BulletPoint2 : PRACTICAL: When using angle grinders or polishers, the original threaded shaft is too short to reach narrow, tight or awkward places, the rotary grinder extension shaft will help you solve these problems. BulletPoint3 : PREMIUM QUALITY: The grinder extension shafts are made of 45# steel with nickel plating process, which has extreme toughness and strong resistance to breakage, ensuring its practicality and durability. BulletPoint4 : COMPATIBILITY: Angle grinder flange nuts are made of high quality carbon steel material for good heat dissipation, wear resistance and durability. It can be compatible with the vast majority of wood carving disks and grinding wheels. No more worrying about installing the sanding disc incorrectly on the Angle grinder. BulletPoint5 : USE INSTRUCTIONS: Angle Grinder Extension Connecting Rod needs to be used with various grinding heads, grinding wheels, grinding discs and so on. When purchasing, please make sure your angle grinder or polisher spindle is a standard 5/8"-11 threaded spindle. IncludedComponents : Angle Grinder Extension Rod with Flange Nut ItemName : Connecting Rod Angle Grinder Thread Shaft Extender Adapter 5/8"-11 Thread Angle Grinder Extension Shaft Set for Car Polisher Angle Grinder Backing Plate Electric Polisher ItemPackageDimensions_Height : 1 inches ItemPackageDimensions_Length : 1 inches ItemPackageDimensions_Width : 1 inches ItemTypeKeyword : power-angle-grinders Manufacturer : JonPhoe Material : Carbon steel ModelName : 101423-140mm ModelNumber : 101423-140mm NumberOfBoxes : 1 PartNumber : 101423-140mm PowerSourceType : Corded Electric ProductDescription : Package Includes: ☉ 1 piece of Angle Grinder Extension Rods (Length 4inch) ☉ 1 piece of Wrench ☉ 1 pair of Angle Grinder Flange Nut (1×Inner Flange Nut, 1×Outer Flange Nut)