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A 32mm clamp-on bubble base sized to match GP220TL/GP250TL telescopic GNSS rover poles, letting the surveyor confirm the rod is plumb before logging a..

A clamp-on circular bubble level sized for 25mm-diameter prism poles, clipping directly onto the pole barrel for an at-a-glance plumb check during set..

The same clamp-on bubble-and-base design, sized to grip 30mm-diameter prism poles for quick verticality checks in the field.

A clamp-on bubble level sized for 32mm GPS/GNSS rover poles, the most common rover-pole diameter, snapping around the shaft to indicate plumb.

A larger-bore version of the same clamp-on bubble-and-base accessory, fitted to 36mm-diameter prism poles.

The BGG22 is the same red/white banded aluminum range pole design as the BGG33, built from two roughly 1m sections for a 2m overall length with a poin..

The BGG33 is a sectional aluminum range pole in alternating red/white 50cm bands, made of three roughly 1m sections that join to a full 3m length with..

A round glass bubble vial sized as the replacement circular level for a Pentax total station.

A round glass bubble vial sized as the replacement circular level for a Leica NA2 automatic level.

A round glass bubble vial sized as the replacement circular level for a Leica total station.

A round glass bubble vial sized as the replacement circular level for a Leica total station, an alternate part-number equivalent to BL04.

A round glass bubble vial sized as the replacement circular level for a Leica digital level.

A round glass bubble vial sized as the replacement circular level for a Geomax digital level.

A round glass bubble vial sized as the replacement circular level for a Trimble Dini03 digital level.

A compact circular spirit-level vial mounted in a slotted metal clamp that snaps around a survey pole shaft, giving a quick visual check that a prism ..

A small circular glass bubble vial, the standard round-type replacement level used as the rough-leveling indicator on a tribrach.

A small cylindrical/tube-type glass bubble vial used for fine plate-leveling in the FDC01/FDC01D/FDC01G/FDC01DG adapter family, shown with characteris..

A tube-type glass bubble vial sized for a complete tribrach adapter set, used as the fine-leveling indicator when reassembling or replacing a worn via..

A round glass bubble vial sized as the replacement circular level for a Swiss-style NA532 automatic level.

A miniature round bubble level vial with a domed clear housing and centred air bubble, used to check instrument tilt across the horizontal plane, the ..