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The 2016C-20M is the same reel-and-plumb-bob oil gauging tape design at 20m length, for smaller tanks or shallower dip points.

The 2016C-30M is the same carbon-steel oil gauging tape and brass plumb-bob design, wound to a 30m length for mid-size tank dipping.

The 2016C-50M is a carbon-steel oil gauging tape reel with a folding crank handle and a brass sounding weight on the tape end, used to dip and measure..

A small circular bubble vial in a clear plastic disc housing, sized to fit a 30-inch/2mm-sensitivity mount.

A generic 30"/2mm-sensitivity tube bubble vial, a common replacement size fitting a range of tribrachs and adapters.

A telescoping aluminum barcode staff designed as the companion rod for the DAL32 digital level, with alternating black-and-white barcode graduations t..

The matching aluminum barcode staff accessory for the DAL32A digital level, identical telescoping-staff design to the DAL32 staff since both levels sh..

The AKZ30 is a tilting triple-prism assembly: three 62mm copper-coated prisms in canisters on a polycarbonate mount, aluminum holder with 5/8-11 threa..

The B4160HPR is a black elevator aluminium tripod for laser levels, with a geared centre column letting the head be raised or lowered independently of..

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.