Metal tilting prism assembly features a 0/-30 mm constant prism system, nickel-plated-brass 5/8 x 11 mounting thread, tension-adjusting brass knob with metal holder and target. The prism can be mounted in either 0 or -30 mm offset positions. Padded carrying/storage bag included.  Twist Lock 8.6 foot  (2.5 m) prism pole is constructed of sturdy aluminum tubing and a two-stage adjustable top-threaded tip.  The prism pole is graduated in both 10th and metric. Thumb-release prism pole bipod accommodate range poles up to 1-1/4" in diameter so you can clamp the pole into place without lifting and threading it through the bipod head. Thumb release lock design allows locking tensions to be adjusted without disassembling the legs. Legs extend to 72" for use in rugged, uneven terrain and collapses to 42" for easy transport and storage.
Includes:
TPI Metal tilting prism 
TPI 8.5' TLV prism pole 
TPI thumb release bipod
Storage/Carrying cases