DescriptionIf you are looking for a practical spiral blades, your search is over! That's because our spiral blades for scroll saws can meet your actual sawing needs and make your craft sawing easier. Fine workmanship ensures practicality and durability.Features-Color: Black. -Material: 45# steel. -Size: About 13.00X0.20X0.20cm/5.11X0.08X0.08in. -Note: It is suggested that use #1 for sawing the metal; #4 is suitable for wood sawing; #8 can be applied on sawing plastic. - Sharpened tooth resists loading and improves cutting speeds, portable and convenient for sawing. - Forged from 45# steel, through fine process, with high hardness and strength. - With enough replaceable saw-blade, easy to replace and install, cutting is fast and labor-saving. - Has creative design and sturdy structure, easy to use, easy to apply, and can reduce hand fatigue. - Curve sawing is very relaxed, the blades are not stuck, enough quantity, convenient to replace the broken or worn one.