Isaberg Rapid AB R28E staple gun for cable installation. High durability suitable for low-voltage cables of maximum 50V up to 4.5mm diameter i.e.. telephone, TV, alarm, speaker cables etc. Patented 3-step force adjuster developed with a leading physiotherapist gives less stress on your forearm muscles. Save up to 40% of your effort on jobs with short to midsize staple lengths, and turn up the power with a simple flip on the switch when required. Makes life easier whether you use it every day or every so often.