1.27mm - 4mm Reversible Hex Blade
1.5mm - 2mm Reversible Hex Blade
2.5mm - 3mm Reversible Hex Blade
System 4 Metric Hex Bit 2.5X28mm
System4 Hex Blade 1.3mm
System4 Hex-Ball Blade 1.5
System4 Hex-Ball Blade 3.0
System4 Hex-Ball Blade 4.0