Electrical grinders for working at height Secure Tools provides long-lasting electrical grinders for working at heights. Our grinders come with a range of permanent stainless steel attachment points that can be connected to a wire lanyard for safe use at height. Modifications enhance handle retention within the design to improve the security of all our work at height grinders.Surface grinders are used in construction to provide an object with a certain finished surface. Cast iron, steel, aluminium, brass, and plastic are among the materials that surface grinders can be used with. Secure Tools is a tried and trusted supplier of tools that guarantee fair prices for every product.