NARROW PLASTIC - STRAIGHT SHAFT Robust narrow head rod holders made from UV stabilised polypropylene. Flush mount with bevelled edge on head straight shaft and moulded rod gimbal in base. Slimline 58mm diameter head is ideal for narrow gunwhales.4 x 5mm countersunk fastening holes,Head size : 87mm x 58mm,Shaft I.D : 43mm,Cut out hole size : 48mm, Length : 225mm