Cutting Blade Set Blade Type Plunge Cut Connection Style Universal Open-Back Blade Shape Straight Blade Material Bi-Metal Blade Width 1 1/8 in 1 3/8 in 1 3/4 in Blade Length 3 9/16 in 4 3/16 in 4 1/4 in Overall Length 3 9/16 in 4 3/16 in 4 1/4 in Maximum Oscillations per Minute 20 000 Primary Material Application Cement Board Drywall Soft Metals Plaster Plastic Nail-Embedded Wood Materials Cut Cement Board Drywall Metal Plaster PVC Wood with Nails Cut Style Flush Cut