The EBay shop For all products of the ISTOTOOLS® and ISTABREEZE® product range. More products here! From experienced in -house production with recognized quality standards No matter whether directly purchase, shipping or customer care ISTA products will accompany you over a long period of time. With these spacers (dimensions: length 89mm x 4mm / 7mm depending on your choice) Terrace boards of all types of wood quickly and professionally laid. An optimal joint pattern is reached by the spacer bolt. Due to the spacer, the terrace boards on the substructure vemding And this ensures optimal ventilation so that no waterlogging can arise. The spacers are an ideal system for maintaining your wooden terrace. The spacer consists of a weather and UV-resistant special plastic. Please note the i.