Cross Bit for Electric Impact Drivers 1/4 inch (6.35 mm) cross bits on each side of the hexagonal shaft can be used with cordless impact driver (JTAE115).
From the Manufacturer
Cross Bit JP-2-50 for Electric Impact Drivers
Number x Total Length: No. 2 x 2.0 inches (50 mm).
Size: No. 2
S 1 x L = 1/4 x 50
Chuck Length: 4.6 gal (13 L)
Weight: 0.9 oz (27 g)
This is a 1/4 inch (6.35 mm) cross bit on the opposite side of the hexagonal shaft that can be used with cordless impact driver (JTAE115).