The BOSCH CSW41 7-1/4” Worm Drive Circular Saw’s worm drive system features an enormous gearing ratio in a compact size. So if you want tremendous power in a manageable package, this is the saw you need. This model features sturdy magnesium housing and a die-cast magnesium footplate for true strength and a lifetime of reliable use. The BOSCH CSW41 7-1/4” Worm Drive Circular Saw also has easily serviceable brushes, large adjustment levers, a spindle lock, and a built In. saw hook for easy storage between tasks. Top it all off with a soft grip handle for comfort, control, and accuracy, and you’ve got one exceptional piece of equipment.