The Coco nutcracker comes Westmark. It is designed to crack the shell and not the kernel!! It does not catch your finger while using it and the pieces of the shell do not scatter everywhere after being cracked!! It has a spring loaded mechanism which helps you open the cracker to just the right position. The cracker is made from high quality cast aluminium with a special food safe coating and is 20.5cm/8in long by 4.5cm/1.in wide. It is dishwasher safe and comes with a 5 year guarantee from Westmark.