The Eclipse BHX2.5X3-1/2 (9SD-0274-BH025) 2.5 mm Ball Hex Bit (3-1/2 in. Long, 1/4 in. Hex Drive) is a high-quality bit durable enough for sturdier operation. This bit is constructed out of S-2 tool steel that boasts a hardness level of HRC 59 - 61.

• Bit Type: Ball Hex
• Size: 2.5 mm
• Length: 3-1/2 in.
• Hex Drive): 1/4 in.