Features PREFERRED MATERIAL The electric engraving chisel + flexible rubber shaft set is made of aluminum alloy and rubber, durable. COMPLETE ACCESSORIES: Each electric chisel comes with 5 knives and a small key. The housing is robust, thermally efficient and very safe. Efficient: Electric drive, faster than manual engraving, saving time and effort. Can be used for a long time without feeling tired. Suitable for: Suitable for electric drill, electric grinder, hanging grinder, hanging grinding handle, wood carving angle grinder, slotting, root carving. Electric chisels require a small crane grinder or drill to use and have a removable flexible shaft. Meets most engraving requirements. Feature: PREFERRED MATERIAL The electric engraving chisel set + flexible rubber shaft is made of aluminum alloy and rubber, durable. COMPLETE ACCESSORIES: Each electric chisel comes with 5 knives and a small key. The housing is robust, thermally efficient and very safe. Efficient: Electric drive, faster than manual engraving, saving time and effort. It can be used for a long time without feeling tired. Suitable for: Suitable for electric drill, electric grinder, hanging grinder, hanging grinder handle, wood carving angle grinder, slotting, root carving. Electric chisels require a small crane grinder or drill to use and have a removable flexible shaft. Meets most engraving requirements. Specification: Item Type: Electric Carving Chisel Tool Set Material: Reinforced Nylon + Aluminum Alloy + Rubber Purpose: Electric Chisel that can be used with electric drill, electric grinder, crane grinder, angle grinder Color: silver, yellow, black Package List: 1 x Electric Carving Chisel 5 blades 1 x Wrench 1 x Flexible Rubber Shaft 1 x Hex Key Package List 1 x Electric Carving Chisel 5 x Blade 1 x Wrench 1 x Rubber Flexible Shaft 1 x Hex Wrench