with strip or tool guides

Full Title

Rigid or semi-rigid containers specially constructed to be opened by cutting or piercing, or by tearing of frangible members or portions (frangible inner closure members associated with caps, lids or covers B65D51/20) > at lines or points of weakness > Arrangement or construction of pull or lift tabs (B65D17/32 takes precedence) > adapted for engagement with opening tools, e.g. slotted keys > with strip or tool guides