Material: Metal Aluminum Alloy + Stainless Steel Blade 【High Quality Material】The nutcracker is made of alloy and is very sturdy and rustproof. Even the toughest nuts can pop. 【Easy to Use】 Effortlessly crack stubborn nuts in seconds. 【Multi-function】 Ideal for hazelnuts, eucalyptus, macadamia nuts, walnuts or almonds. 【Easy to clean】 Simply rinse under running water.