Features Phillips socket bits come with a Phillips bit on one end that fits inside the Phillips-style indentation in the fastener head. Insert Length / 1 in Replaceable Insert / No Measurement Type / SAE Tip Size / #3 Tip Style / Phillips Overall Length / 1 31/32 in Drive Size / 3/8 in Socket Depth / Standard Material / Alloy Steel Finish / Chrome Impact Rated / No Insulated / No Standards / SAE AS4984A Number of Points / 4