The Makita P-71663 is a genuine 6-piece bi-metal reciprocating saw blade set designed for a wide range of cutting applications in construction and industrial settings. This comprehensive set includes two B-05038 blades, each 150mm in length with 6-10 TPI, ideal for cutting wood containing nails and various metals. Additionally, the set features two B-05044 blades, also 150mm long but with 18 TPI, specifically optimized for precise metal cutting. Completing the set are two B-05072 blades, measuring 200mm in length with 6-10 TPI, offering extended reach and suitability for wood with nails and metal. These durable bi-metal blades ensure efficient and precise cuts across diverse materials.