Super Value Kit一A complete set of angle grinder accessories includes: 3 angle grinder extension rods (3" + 4" + 5.5"), 3 inner 5/8-11" angle grinder nuts, 3 outer angle grinder nuts, 1 wrench, Compatibility一This angle grinder extension shaft is suitable for angle grinders with a 14mm threaded shaft, compatible with Makita, DeWalt, Ryobi, Milwaukee, Bosch, Hitachi, Metabo, and Black & Decker grinders. Not compatible with Milwaukee 4-1/2'', please check dimensions and compatibility before purchasing. Compatible with Various Grinding Wheels一It is perfect for use with small cup brushes, wire wheels, polishing discs, flap wheels, and Wood Carving Discs. It helps you reach narrow or inconvenient places that ordinary grinders or polishers cannot reach, and you can also connect them to form a longer rod. Premium Material Selection一Extension rods - made of 45 steel with nickel plating to ensure practicality and durability; Grinder nuts - made of high-quality steel materials, also sturdy and durable, (to make the nuts work better, there is lubricating oil on the nuts). After-Sales Service:一If you have any questions about usage, please contact us, and we will provide you with a perfect solution! Laexepelle