Is éard atá i gceist le puinseanna ná beacht a mhonaraítear agus an talamh beachtais do na lamháltais airde is déine agus na lamháltais is fearr a ghearradh ar an mbrú. Pictiúr de (ADW035) Punch taobh cúil le haghaidh tagartha:
.
Trastomhas (mm)
Airde (mm)
1
Φ1mm-φ2mm
23.60mm-23.80mm
2
Φ2.5mm-φ5mm
23.60mm-23.80mm
3
Φ5.5mm-φ6.5mm
23.60mm-23.80mm
4
Φ7mm-φ8mm
23.60mm-23.80mm
5
Φ9mm-φ10mm
23.60mm-23.80mm
6
Φ11mm-φ12mm
23.60mm-23.80mm
