This Makita Blade Biscuit Joiner 100 x 4 x 6T B-20644 has been specifically designed for the PJ7000/3901 and DPJ180 plate joiners, which are used to create accurate joints between workpieces. The blade is made from carbide-tipped material, ideal for wood and has a maximum speed of 12090 min, allowing you to finish various jobs in less time.