M12™ Hackzall™ Duct Blade, Bi-Metal, 24 TPI, 4" L x 3/4" W Knot Wire Cup Brushes Tool-free chain tensioning and bar

Tool-free chain tensioning and bar tightening knob for proper bar clamping force

Precision forming process creates sharper teeth for fast cutting

Blade change tool

Slim contact tip design enables precise fastening in wood trim

M12™ Hackzall™ Duct Blade, Bi-Metal, 24 TPI, 4" L x 3/4" W Knot Wire Cup Brushes Tool-free chain tensioning and barThin kerf for up to 35% more cuts per charge vs. leading reciprocating saw blades Short blade length for cutting in tight locations Bi metal construction for increased tooth durability and long blade life Cuts EMT (thin wall conduit) Specifications Length 4" Width 3 4" Thickness 0. 035" TPI 24 Material Bi Metal Country Of Origin United States