... 0.5mm,,Zinc:80-275g The stopping angles have a perforated,recessed edge and are used where the ... board is not exposed and where the fitting of a stopping bead would be difficult.The stopping angle is ... up to the bead nib.ldeal for use around door jambs,however,in this application it is recommended that ... to 10mm thick,a P26 should be used so that the leg will slot into the door jamb.similarly,when using ...