Lock with BAWR proprietary screw. comes with 2 screw keys
Hook Gauge option:2mm,3mm,4mm,5mm,6mm,7mm,8mm,9mm,10mm,11mm,12mm
S style option's U shape inner dimensions: width 15mm,height 13mm
L style option's U shape inner dimensions: : width 21mm,height 16mm
custom style option to allow you customize padlock's shape, inner size.
Better to upload a drawing to make your custom order more specific.