Feature:
【PACKAGE CONTENT】You will receive 4pcs drill extension bit holder and 4pcs bit. 4pcs bit holder length is about 60mm/2.36inch, 100mm/3.94inch, 150mm/5.91inch, 300mm/11.81inch, allows you to work in hard-to-reach places and corners.
【WIDE COMPABILITY】1/4 inch hex shank and 1/4 inch hex holding hole, it can be easily connected with electric screwdriver, drill, only suitable for single hex shank drill bit. NOT sutitable for double head screwdriver bit.
【STRONG MAGNETIC】With built-in magnet, it can hold the bit firmly, makes sure screwdriver bits stay in place steady. The clamping is stable and does not slip off and adapt to a variety of operating environment.
【DURABLE MATERIAL】This drill bit extension kit is made of steel material, heavy-duty, high hardness, good toughness, sturdy and durable, high-pressure resistance, wear-resistant and can be used for a long time.
【WIDE APPLICATION】 The drill bit extension kit is suitable for all types of screwdriving work in DIY projects, drywall, wooden frames, can be applied to homes, garages, workshops, technicians, woodworking, etc.

Specifications:
Color: black+rose red bit holder, silver bit
Material: steel
Size: about
Drill extension bit holder: as follows
Length: 60mm/2.36inch, 100mm/3.94inch, 150mm/5.91inch, 300mm/11.81inch
Hexagonal hole diameter: 6.35mm/0.25inch(1/4inch)
Hex shank: 6.35mm/0.25inch (1/4 inch)
Bit: (L x W)2.5 x 0.6cm/0.98 x0.24inch

Package Includes:
4pcs x Drill extension bit holder
4pcs x Bit

Note:
1. Due to the light and screen difference, the item's color may be slightly different from the pictures.
2. Please allow 0.5-2 cm differences due to manual measurement.