UpToDateTools Premium Material - Made of high-quality carbon steel, the blade is quenched and finely polished for higher wear resistance and impact toughness. It will not be broken off during use and has a long service life. Very ideal for cutting products made of PU, PVC, vinyl, rubber, wood sheet, etc. Wider Adjustment Angle - The unique slider and large opening design allows this miter shear to be adjusted from 0 to 135 degrees, which can help you cut materials into various shapes and stitching ?Easy?This quarter round cutting tool has a frosted face on the handle, which improves the safety and ease of use. It employs a power-level mechanism and ergonomically curved inward steel handles to greatly reduce hand fatigue on long term repetitive tasks.