Forums Index Recent Posts Forums Land Surveying & re... Strictly Surveying Mini prism for colu... Notifications Clear all Mini prism for column lines Page 2 / 2 Prev 1 2 Strictly Surveying Last Post by Ben Davidson 6 years ago 21 Posts 13 Users 0 Reactions 10 Views RSS Ben Davidson (@ben-davidson) Posts: 19 Registered The sliding pole has a diameter of 0.05'. ?ÿ Posted : 16/07/2018 6:35 pm Page 2 / 2 Prev 1 2 Share: Tweet Share Share