Fast routing of strike and latch plates. Includes high-speed steel router bit No.43670. Will route the following sizes: Strike plates; 1-1/8" x 2-3/4", 1-1/2" x 2-1/4" and 1-1/2" x 2-3/4". Latch plate: 1" x 2-1/4", 1-1/8" x 2-1/4" and 1-1/8" x 2-3/4".