The special shape in combination with expanding glue pockets and longitudinal grooves gives the dowels a secure grip. For absolutely twist-proof connections and maximum stability. Added to this is significantly faster processing: The first dowel hole is aligned with extreme ease and routed accurately using flip stops. It immediately secures the work-pieces that are to be joined so that they are exact and flush with the edge. The DOMINO system even tolerates smaller imprecisions in the other dowel holes.material: Sipomahogany dowelsweatherproofMain applicationsWooden dowels with expanding glue slots and lateral ribs for optimum fitting accuracyFully rotation-proof right from the first DOMINOSipo wood DOMINO, resistant to insects and mould attack and perfectly suited for outdoor use