Package Includes: 1 x Flexible Shaft Drill Bit Extension 30 Day Money Back Guaranteed! 12-month free replacement warranty for manufacturer's defects! Product Description: It is made of high carbon steel which is durable and flexible to use. The comfortable shield greatly protects your hands with freely rotary internal shaft. Both ends of the shaft -The hexagon drill bit holder and connection fit drills well. The great combination is suitable for ordinary hand drill and electric drill with perfect performance. It is of great flexibility to bend, twist and straighten even in narrow confined space. Besides, the shaft can make turns randomly. It is also good for transport and storage. The extensible soft shaft is designed for ordinary hand drill and electric drill bit. Specification: Length: 11.8 inch Material: High carbon steel + Plastic Color: Black / Blue Hex Shank: 6.35mm / 0.25in Inner Hexagon Head: 6.35mm / 0.25in Flexible shaft can extend the reach of your screwdriver or drill easily. Provides powerful twisting force to help you twist something hard to open. Durable & wear-resisting carbon steel + plastic . Length: 11.8" ( 295 mm ). Hex Shank: 6.35mm / 0.25in; Inner Hexagon Head: 6.35mm / 0.25in. Compatible with small wrench, cordless screwdriver, pneumatic screwdriver, electric screwdriver, etc.