Dimensions: 121.9 x 2.54 x 15.24cm (WxHxD)
Add a lintel piece to support larger gaps in walls such as doorways and windows. Each 122cm linel provides approximately 91.5cm opening for windows and doors.
With pre cut holes, fitting is simple and requires no tools.
It can also be used to create wall shelving on a flat wall with 90 degree rotated blocks.