• Bottom cleaning bit for wood, ideal for engraving. • Shank size: 8mm (0.315 inches). • Made with industrial quality tungsten carbide for a sharper and more durable cut. • Heat and buildup resistant coating, with anti-kickback design. • Suitable for cutting and smoothing materials such as wood, plywood, MDF, and other wood composites. • Material: carbide alloy. • Approximate total lengths: 48.3mm, 49mm, 55.5mm, 48.8mm, 48.7mm.