Pole mount bracket kit: Ø30cm. Dimensions (Bracket): 241 x 161 mm. Suitable for VD120D/220D/320D Series, FD120D/220D/320D Series, FE110/420/520 Series, FER521, and SD220/SD2322/Housing103 models. Supplied with: Stainless steel strap (Ø 6’’ ~ 7.5’’) x 3; M8 screw (30 mm) x 4; M8 screw (25 mm) x 4; M8 screw cap x 4; Split washer x 4; Plain washer x 4.