The longer, 1/2" Sole SpikeTM especially for boots. A cleat that will hang tight and give you reliable traction. The Goat Head Combo Pack 30 Sole SpikesTM in a reusable cup and also a Sole DriverTM handle. The Sole DriverTM handle is perfect to slip into your pack or fishing vest for in the field Sole SpikesTM installation or adjustments.