This Trend CRAFTPRO Router Dowel Drill features a 4mm cutting diameter with a 35mm cut length and a 1/4" shank, making it well suited for drilling precise shelf support holes. The 4mm size is specifically noted for use with shelf support applications, providing the accuracy needed for evenly spaced, clean-bored holes across boards and panels. Designed as a lip and spur drill, it works in conjunction with the Trend Craft Dovetail Jig with dowelling attachment, and is compatible with both plunge routers and drilling machines. The tungsten carbide tip ensures clean cutting through natural timbers and man-made boards alike, and the drill operates across a wide speed range of 1000 to 22000 rpm for flexible use. Features and Benefits: • Lip and spur design for clean, burr-free hole entry • Tungsten carbide tipped for durability and extended cutting life • Ideal for shelf support drilling applications • Compatible with Trend Craft Dovetail Jig with dowelling attachment • Suitable for natural timbers and man-made boards Specifications: Diameter Cut: 4mm Cut Length: 35mm Shank Diameter: 1/4" Overall Length: 57mm • Speed range: 1000–22,000 rpm