CS Unitec Plastic Hammer, Aluminum Bronze CS Unitec Plastic Hammers are a part of CS Unitecs Non-Sparking / Non-Magnetic Safety Tool Line. CS Unitec Plastic Hammers feature drop forging that ensures a long tool life and are now provided with Nupla handles which are twice as strong as fiberglass and 10 times stronger than wood. CS Unitec Plastic Hammers are available in Aluminum Bronze. CS Unitec Plastic Hammers are designed with double-faced durable plastic that minimizes impairs and surface damage. CS Unitec Plastic Hammers are Non-Sparking and Non-Magnetic which makes them ideal for a wide variety of jobs and flammable atmospheres.