Lumberlok Concealed Purlin Cleat 40mm Zinc Galvanised SKU: 170362 MODEL: CPC40 Error. try again later You've successfully joined the club $ 1 .88 each Available on orders $50 to $1500. More info × Mitre 10 MAvailable at Mitre 10 MEGA stores. Variants CPC cleats provide an excellent purlin/rafter fixing in exposed situations, resisting any wind uplift. The cleats can also be used for exposed rafter to ridge beam connections. Features and benefits Fixed with Type 17-14g Hex Head Screws and LUMBERLOK Product Nails 30mm x 3.15mm diameter (not supplied with product).