BLOCK "Story-Rite" OUTSIDE Corner Poles 200mm - 4 "Story-Rite" Poles METRIC (High Strength Corrosion Resistant Stainless Steel Poles and Locking Plate)#31411 4 Base Plates with Leveling Pads and Bolts #281294 Outside Line Blocks with Pins - (Precision Machined Aluminum) #281248 Outside Corner Follower Plates with Pins (Precision Machined Aluminum) #2808820 J-Bolts--Base Plate and 1 Follower used for first 12 courses--NO baseplate, use 2 followers. Mount followers with j-bolts in mud joint.--Follower should be moved up with line block to keep pole plumb.