1 BLOCK "Story-Rite" Pole INSIDE Corner Pole Set Includes: 1 "Story-Rite" 8" Spacing - (High Strength Corrosion Resistant Stainless Steel Pole & Locking Plate)#280871 Base Plate w/ Leveling Pad and Bolts #281291 Inside Line Block with Pin - (Precision Machined Aluminum) #281262 Inside Corner Follower Plates w/ Pin - (Precision Machined Aluminum). #28120