Domed Fir Tree Push Mount Cable Ties have a minimum tensile of 50 lbs and a seal. These are a push mount style that fits into a 0.250 hole size and 0.260 - 0.276 panel range. Simply insert the push mount into the hole then wrap the tie around your wires or cable and insert the tapered end of the tie into the head of the tie and pull through and you have secured your bundle to the panel with one fastener.