Send the following on WhatsApp
Continue to ChatB-FSB-H-1/2 - Brass, 1 Key Free, 2 Keys Trapped, Horizontal, FS Type, Castell B Key Exchange Box https://www.concretespares.ie/product/b-fsb-h-1-2-brass-1-key-free-2-keys-trapped-horizontal-fs-type-castell-b-key-exchange-box/