SFS FoamZall FoamSaw - Spray Foam Insulation Trimming Foam Saw -SFS517 The FOAMZALL includes the toughest Milwaukee® brand heavy-duty orbital Sawzall® around, which has a custom coupling to secure a 36" long serrated blade intended for trimming 1/2 lb and 30'' Blade for 2 LB foam. The 13 Amp, 120 Vac saw has a 1 1/4" stroke and can provide up to 3,000 strokes per minute. Carry case is included.