I created my own because I didn't want to go buy one for $20+. I used PLA for my print and it has held up fine at the bmw shop I am at, slight warpage of the arm due to heat but it hasn't caused any issue. I find the flexibility a plus to get into places especially with 20 inch+ wheels. every "L" is made to be same whether measured horizontal or vertical to the brake pad besides the 2mm one. This set is the standard 2mm,4mm,6mm,8mm,10mm,12mm.