Police are appealing for information following break-ins in the Ballyhennan Crescent area of Tarbet near Arrochar.
The incident happened at around 12.45am on Thursday October 12, when three men broke into several lock-ups and a Husqvarna chain saw was stolen.
Offices have described the men as aged between 18 and 30 and wearing surgical type masks.
The men also made off in a silver 4X4 medium sized pick-up style vehicle, which had a distinctive white rear.
Detective constable Ross Hardie said: “We are appealing to anyone who saw something suspicious at the time of these break-ins to get in touch.
“If you saw a silver four by four on the A82 travelling from Crianlarich towards Arrochar or from Alexandria to Arrochar, then let us know.
“In particular, if you have dash-cam footage from the A82 showing this kind of vehicle around the time of this incident then please call us as this could be a vital bit of information.”
Anyone who can assist officers has been asked to contact Police Scotland on 101, quoting incident number 0104 of Thursday, 12 October, 2023, or to make a call anonymously to Crimestoppers on 0800 555 111.