Bosch HS1922 4-1/2 x 18 Clay Spade SDS-Max shank

Using the Bosch HS1922 is easy. First, make sure your hammer is compatible with the SDS - Max shank and is of the types mentioned in the product features. Then, firmly insert the spade into the hammer. When you start digging, it works great on clay, hard - packed gravel, and dirt. Just keep in mind, don't use it on concrete as it's not designed for that. For maintenance, after each use, clean the spade to remove any dirt or debris. Store it in a dry place to prevent rusting. With proper care, this spade will serve you well for a long time.