FX707BD2 Replacement T-Blade Deep Tooth 1oz Measures approximately 3.00in x 3.00in x 5.00in Suitable for all hair types This DLC 2.0 Deep Tooth T-Blade can be used with any FX787 trimmer. Use it for a precise, clean cut. It's made from Diamond Like Carbon and can fit all 2-hole blade systems. Use the included blade adjustment tool to set the blade gap to your preference. A closer gap provides a sharper cut but may require a lighter touch to avoid skin irritation. Apply minimal pressure when using the clipper to prevent skin irritation and achieve clean lines. Stainless Steel Or A High-Carbon Steel Alloy. This product is not tested on animals