Protective handle to avoid injuries to the hands Attached by wing screws to allow the blade to be changed easily and quickly Adapted arc shape for special large capacity sawing (tree trunks and logs of large diameter) Supplied with 1 blade for wood and one blade for metal Supplied with 1 blade for wood and one blade for metal Attached by wing screws to allow the blade to be changed easily and quickly Adapted arc shape for special large capacity sawing (tree trunks and logs of large diameter) Protective handle to avoid injuries to the hands