... approved by CE, ROHS certificate. The range of our product line, steady quality, competitive price, established-well service has ... interest!!The following is showed in detail about this product:SNB5.5-3.5 for #6 screw, 12-10 gauges, B8 ... 5mm, F7.5mm, E6.8mm, D5.6mm, d3.4mmSNB5.5-5 for #10 screw, 12-10 gauges, B9.0mm, L19 ... , F12mm, E6.8mm, D5.6mm, d3.4mmSNB5.5-8 for 5/16 screw, 12-10 gauges, B14.0mm, L24 ...