Features These hex socket bits come with a hex bit on one end that fits inside the hexagonal-shaped indentation in the fastener head. Insert Length / 2 in Replaceable Insert / No Measurement Type / SAE Tip Size / 3/4 in Tip Style / Hex Overall Length / 4 in Drive Size / 1/2 in Socket Depth / Standard Material / Alloy Steel Finish / Chrome Impact Rated / No Insulated / No Standards / SAE AS4984A Non-Sparking / No Number of Points / 0