VH800 Series KEY B= Base FL= Fully Loaded CL= Closed Loop OL= Open Loop VH800B OLVapor Honing Machine VH800 BaseVH800B OL ProVapor Honing Machine VH800B ProVH800 FL CLVapor Honing Machine VH800FLVH800FL CL ProVapor Honing Machine VH800FL Pro