The Seco 6600-10 25mm sliding prism system features a silver-coated prism and 0 offset.
The holder easily slides up and down the pole, the knobs lock in height and tilt - they also double as vertical angle targets.
An adjustable 40-minute circular vial is built in to the prism holder.
The 12.2-mm OD Seco pin pole features three sections - each 60-cm in length to achieve 1.8 m (5.91 ft); each color section (red or white) is 10 cm in length.
Other features of the Seco 6600-10 include a replaceable stainless steel point on the pole, accessory kit with plumb bob hook and cone for attachment to the prism for handheld applications and a system bag.