Dia. 16mm nylon anchor sleeve for hollow brick and block - M8-M12 hollow brick wall anchors fixing sleeve | Sold in 40 Countries Injectable Chemical Anchors Manufacturer Since 1997 | Good Use
Shield Anchor Loose Bolt M10, 50 x 65mm | Toolstation
LB825 Duratool, M8 x 25mm x 55mm Masonry Anchor Loose Bolts, 10 Pack | Farnell UK