What this flush trim router bit can offer you are solid hardened steel body with anti-kickback design and heat resistant coating, so it can be used for a long time.It is worthwhile to buy this flush trim router bit because it can achieve smooth cutting and effectively trim the edge and burr of the timber.Made of high-quality alloy and carbon steel material, it is firm and durable to use.The length of the 15mm style is 4.7cm, the width is 1.27cm, and the height is 1.27cm. The length of the 40mm style is 8.2cm, the width is 1.27cm, and the height is 1.27cm.It is perfectly suitable for light work, trimming, grooving, etc.Item Name: Flush Trim Router BitMaterial: Alloy,Carbon SteelCutting Length: 15mm, 40mm Cutting Diameter: 12.7mm Handle Type: Round Shank Handle Diameter: 8mm Features: Round Shank, with Bearing, Smooth CuttingSize Details: 15mm: 4.7cm x 1.27cm x 1.27cm/1.85" x 0.5" x 0.5" (Approx.) 40mm: 8.2cm x 1.27cm x 1.27cm/3.23" x 0.5" x 0.5" (Approx.)Notes:Due to the light and screen setting difference, the item's color may be slightly different from the pictures.Please allow slight dimension difference due to different manual measurement.Package Includes:1 x Flush Trim Router Bit