Bosch 3 4 in Carbide tipped V groove and Scoring Router Bit Mechanics Tools pairing it with bold task pairing it with bold task lighting and metallic accents for a look that’s both modern and timeless Our Utility Vents also come with a Limited lifetime warranty and include an 8 in Bit Style V groove and scoring Number of Flutes 2 Overall Diameter 3 4 in Cutting Edge Length 5 8 in Bit Shank Diameter 1 2 in Overall Length (Inches) 2 lettering and sign work Control cut design helps minimize kickback Use with edge guide or template Micrograin carbide tips for long life Strong webbing and heavy cutter backing extend bit life Shipped in vinyl pouch