[3H-05L: Two-sided: 5mm]
[3H-12L: Two-sided: 12mm]
[3H-03L: Two-sided: 3mm]
[3H-08L: Two-sided: 8mm]
[3H-06L: Two-sided: 6mm]
[3H-10L: Two-sided: 10mm]
[3H-04L: Two-sided: 4mm]
[3H-07L: Two-sided: 7mm]
The long type is 1.4 - 1.7 inches (35 - 43 mm) longer than the standard type, so it is convenient to put on and take off bolts with hex holes.