Built for the saltwater environment, anodised aluminium, glass filled nylon and stainless steel materials. Solid construction, 73mm x 3mm base tube, 66mm x 3mm top tube, both internally rib reinforced. Heavy duty die-cast alloy base and heavily reinforced glass nylon swivel head assembly. Mount base suits countersunk screws or hex head. Directly accepts 183080 seat slide. 


PART NUMBERHEIGHT MM
BASE DIA. MM
BASE MOUNT HOLES MM 
183070
340-510
225
8 c/s
183072
500-720
225
8 c/s