Bosch Professional Guide rail FSN 3100 (3.100 mm length, compatible with Bosch GKS circular saws, GKS G models, GKT plunge saws as well as certain GST jigsaws + GOF milling with adaptor) :
GT Elec - Oregon Sägekette, 3/8'', 1,3mm, 45 Treibglieder, für 30 cm (12-Zoll) Führungsschiene - 91PX045X : Amazon.de: Garten