Welcome to Allen Instruments online store Welcome to our online store +3 SitePro 0/-30mm Tilting Single Prism SKU 03-1010-O $105.00 In stock Quantity: 1 Add to Bag Product Details SitePro 0/-30mm Tilting Single Prism 0/-30mm constant prism system, ≤5 sec. accuracy All-metal holder and target Weather-proof sealed 2-1⁄2” (62.5mm) precise prism Stainless steel tension adjusting knob Universal with leading manufacturers 5⁄8-11 bayonet adapter Includes 21-1010 padded prism case Save this product for later Favorite