Olson Saw BM92243 BI-Metal Band Saw Blade, 1/2 by 0.20-Inch, 14-TPI Regular BIMET 44-7/8 -Inch These blades offer teeth varying in size, set and gullet depth. This variation brings teeth into the work at constantly changing angles for faster, smoother and quieter cutting. The varying gullet sizes also allow increased protection against tooth strip page when cutting on a wide range of materials and/or -Metal Matrix II blades provide faster cutting rates, increased longevity (Up to 10 times longer life than carbon flex back and hard back). Excellent toughness, shock and abrasion resistance. Features These blades offer teeth varying in size, set and gullet depth This variation brings teeth into the work at constantly changing angles for faster, smoother and quieter cutting Excellent toughness, shock and abrasion resistance USA SHIPPING estimates delivery times and we work to get your item to you as quickly as possible and within those times, but please know it may take slightly longer than the estimate.