EXCLUSIVE Garden Highlights Base Coarse GAP 7 15 litre SKU: 342749 MODEL: GHBCG715 Error. try again later You've successfully joined the club $ 9 .98 each Mitre 10 SAvailable at selected stores. Check your local store for details Variants Garden Highlights Base Course GAP 7 is a fine metal used as a compacted base under pavers or as a base layer before laying concrete. Features and benefits Compact level base. For a solid foundation.