The Eclipse BHX5/64X3-1/2 (9SD-0274-BH405) 5/64 in. 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: 5/64 in.
• Length: 3-1/2 in.
• Hex Drive): 1/4 in.