Spectra Heavy Duty Column Clamp which supports all Horizontal/Vertical Spectra Lasers on square columns, heavy duty I-Beams or doorways. Center column has 8" (20cm) manual height adjustment. Graduated scale in 0.02ft and 5mm increments. Add the 961 Strap and Ratchet Assy for large and round columns.

Laser or optical. Tough, lightweight, and versatile, our direct reading rods bear the true test of quality in the field, and hold up exceptionally well. Choose from our selection of lengths and increments in tenths, metric, and inches.

The Tri-Max® is without a doubt the best instrument tripod on the market today.  It’s the only surveying-grade tripod with certified accuracy – highly recommended for all servo-driven and robotic total stations and 3-D laser scanners.

Western Data Systems offers a full range of Survey Supplies, from hubs and stakes to radios and paint. Call any office to order your next supply order or order online.

Seco Manufacturing Company offers a wide varity of accessory products used with surveying instruments, GPS, GIS, and Construction equipment. These include telescopic poles, carrying cases, backpacks, GPS antenna poles, surveying instrument tripods, prism systems, construction levels and leveling rods. Catalog 21Meg