... .4mm SNB5.5-4L for #8 screw, 12-10 gauges, B9.0mm, L19.5mm, F7.5mm, E6.8mm, D5.6mm, d3 ... .4mmSNB5.5-5 for #10 screw, 12-10 gauges, B9.0mm, L19.5mm, F7.5mm, E6.8mm, D5.6mm, d3 ... .4mmSNB5.5-6S for 1/4 screw, 12-10 gauges, B9.0mm, L19.5mm, F7.5mm, E6.8mm, D5.6mm, d3 ...