About this item

• 1/4 to 4mm Bit Adapter,2 Pieces 1/4 to 4mm Hex Adapter Magnetic and 2 Pieces 1/4 to 4mm Drill Extension Bit Holder for Micro Bits
• The 1/4 to 4mm bit adapter allows you to use the micro bits by 1/4¡¯¡¯ bit driver,which can help you work more neatly,faster,and efficiently
• The 1/4 inch to 4mm bit adapter with strong magnetic can hold the micro bits tightly
• The 1/4 to 4mm hex adapter is made of steel,which is strength and durability
• The bit adapters are great for both the professional and beginners who is always looking for the right tool for the job