Product parameters: Size: 21*12.7/24.3 cm Material: stainless steel Package size: 25 * 25 * 2.7 cm Package content: 1 x cheese slicer . Product : Durable stainless steel wire slices hard or soft cheese, butter, fruit and vegetables. 21*12.7CM stand base, non-slip rubber feet protect desktops and minimize unwanted sliding Includes 5 spare stainless steel cutting wires for long-lasting use. Easy to use, the wire is easy to replace, and the handle provides a comfortable grip. Easy to clean - simply wash with warm soapy water and pat dry. Text step 1) Loosen the screw on the handle and remove the wire from the hole on both parts. 2) Place the new wire on the product diagonally from the front or bottom, remembering not to insert it straight but diagonally. 3) Insert one side of the wire into the bottom hole first. 4) With fixed wire to complete the installation. If you find that the wire can't touch the hole, you can loosen the screw a little more. 5) If the cut is not smooth after installing the new wire, you can hold the edge line and adjust the right side.