1.0Design Buy Buildhttps://designbuybuild.co.ukLauren Holmeshttps://designbuybuild.co.uk/author/user/rich600338<blockquote class="wp-embedded-content" data-secret="TKVv1UwmYO"><a href="https://designbuybuild.co.uk/p-c-henderson-introduces-stylish-practical-new-twinbolt-locking-system/">P C Henderson introduces stylish and practical new Twinbolt locking system</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://designbuybuild.co.uk/p-c-henderson-introduces-stylish-practical-new-twinbolt-locking-system/embed/#?secret=TKVv1UwmYO" width="600" height="338" title="“P C Henderson introduces stylish and practical new Twinbolt locking system” — Design Buy Build" data-secret="TKVv1UwmYO" frameborder="0" marginwidth="0" marginheight="0" scrolling="no" class="wp-embedded-content"></iframe><script type="text/javascript"> /*! This file is auto-generated */ !function(c,l){"use strict";var e=!1,o=!1;if(l.querySelector)if(c.addEventListener)e=!0;if(c.wp=c.wp||{},c.wp.receiveEmbedMessage);else if(c.wp.receiveEmbedMessage=function(e){var t=e.data;if(!t);else if(!(t.secret||t.message||t.value));else if(/[^a-zA-Z0-9]/.test(t.secret));else{for(var r,s,a,i=l.querySelectorAll('iframe[data-secret="'+t.secret+'"]'),n=l.querySelectorAll('blockquote[data-secret="'+t.secret+'"]'),o=0;o<n.length;o++)n[o].style.display="none";for(o=0;o<i.length;o++)if(r=i[o],e.source!==r.contentWindow);else{if(r.removeAttribute("style"),"height"===t.message){if(1e3<(s=parseInt(t.value,10)))s=1e3;else if(~~s<200)s=200;r.height=s}if("link"===t.message)if(s=l.createElement("a"),a=l.createElement("a"),s.href=r.getAttribute("src"),a.href=t.value,a.host===s.host)if(l.activeElement===r)c.top.location.href=t.value}}},e)c.addEventListener("message",c.wp.receiveEmbedMessage,!1),l.addEventListener("DOMContentLoaded",t,!1),c.addEventListener("load",t,!1);function t(){if(o);else{o=!0;for(var e,t,r,s=-1!==navigator.appVersion.indexOf("MSIE 10"),a=!!navigator.userAgent.match(/Trident.*rv:11\./),i=l.querySelectorAll("iframe.wp-embedded-content"),n=0;n<i.length;n++){if(!(r=(t=i[n]).getAttribute("data-secret")))r=Math.random().toString(36).substr(2,10),t.src+="#?secret="+r,t.setAttribute("data-secret",r);if(s||a)(e=t.cloneNode(!0)).removeAttribute("security"),t.parentNode.replaceChild(e,t);t.contentWindow.postMessage({message:"ready",secret:r},"*")}}}}(window,document); </script> https://designbuybuild.co.uk/wp-content/uploads/2014/12/Twinbolt-1-655x1024.jpg6551024P C Henderson, leading international manufacturer of door hardware systems, is pleased to introduce the innovative new Twinbolt system to its customers. This now enables the door to be locked internally at the top and bottom of the door by turning one handle 90 degrees, removing the need to manually engage two flush bolts.