Product Description 1. Professional steel cutter head : Using carbon tool steel SK5, carefully polished, more durable, not easy to corrode, long-term preservation. 2.Multiple choices: 8 kinds of cutting head can be switched freely to deal with various complicated carving projects. 3.Easy operation: Easy to replace the blade in four steps, easy to operate, more practical and practical. (Note: Please avoid long-term continuous work, you can take a break every 10 minutes) 4.Tips for use: Since the blade is a consumable,if it is not sharp after a period of use, it can be polished with a common sharpening stone, the product can be recycled for a long time. Contains: ①U-blade *1 ②V-blade*1 ③Straight blade *1 ④Straight blade straight blade*1 ⑤U-blade (small) *1 ⑥V-blade (small)*1 ⑦Triangle blade straight blade*1 ⑧Round blade straight blade*1