This system tilts and slides up and down pin poles Features a 25 mm, 0 offset silver-coated prism and a high-quality aluminum holder Site cones double as locks The prism has a 40-minute adjustable vial The kit includes four 1-foot (30.5 cm) pole sections each with a 0.50-ft (15.24 cm) mark Prism includes an adapter so it can be used on any pole or tribrach adapter with 5/8 x 11 threads A system bag is also included Weighs 1.40 lb (0.63 kg)