Heat Sink Kit for Raspberry Pi 4B

Two choices of heatsinks. The colorful set is 1 copper sheet and 2 aluminum sheets. The silver set is 3 aluminum sheets. They are designed for Raspberry Pi 4B for heat dissipation. document.getElementById("pifyform-4533").classList.add("formloading");(function(h){function n(a){return null===a?null:a.scrollHeight>a.clientHeight?a:n(a.parentNode)}function t(b){if(b.data && typeof(b.data)=="string"){var f =null;try{f=JSON.parse(b.data);}catch(e){}(f!=null&&!f.height)||p||q||(d.style.height=+f.height+"px");if(f.redirect!=undefined&&f.redirect!=""){window.location.href=f.redirect;}if(f.retsetHeight!=undefined&&f.retsetHeight){d.style.height="520px";var resetPosition=document.getElementById("pifyform-4533").offsetTop-100;document.documentElement.scrollTop=resetPosition;document.body.scrollTop=resetPosition;window.pageYOffset=resetPosition;}if(document.getElementsByClassName('lazyframe').length>0){var lazyframe=document.getElementsByClassName('lazyframe')[0];lazyframe.style.height="100%";lazyframe.removeAttribute("data-ratio");lazyframe.parentNode.style.overflow='hidden'} if(f.getter){b={};var f=[].concat(f.getter),k,h=f.length,m,c,g,e;for(k=0;k