Item Name: Carbide Burr Ball Material: Carbon Steel Specification: 10mm/14mm Size Details: 10.8cm x 4cm/4.25" x 1.57" (Approx.) Description: A very rough coating can quickly remove the blank while maintaining a relatively smooth finish. Featuring high hardness, rust and oxidation resistance which it has long service life for casting and welding. Made of carbon steel,it is durable to use. The length of the product is 10.8 cm, the width is 4 cm. This product is a spherical woodcarving tool, which can quickly grind wood grooves with a diameter of 40mm in woodworking production. 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. Specification: 1. Angle grinder spherical grinding head-interface 10mm (suitable for 100 type angle grinder) 2. Angle grinder spherical grinding head-interface 14mm (suitable for 115 and 125 angle grinders) Package Includes: 1 x Nose Rotary Burr