Abrasive Walnut Shell Grit is widely used to blast clean and polish soft metals, glass, fibreglass, wood, plastic and stone. The Abrasive Grit is a hard and fibrous item that is made from crushed walnut shell. The Walnut Shell Grit is an efficient soft abrasive when used to tumble and polish gun casings, jewellery and metal parts and can also be used to prepare surfaces and equipment or wall for painting. Abrasive Walnut Shell Grit works as deburring and deflashing agent for moulding and casting of electrical parts.