The GMP111 is a compact Leica-style mini prism in a three-jaw housing, supplied with four aluminum screw-together range-pole sections and a stainless ..
The GMP111-0 is the same mini prism assembly as the GMP111, offered as the zero-offset variant used when the prism must read the true ground point wit..
The SP063A is a 25.4mm copper-coated mini prism (3-4mm glass accuracy) in an impact-resistant housing, bundled with a four-section telescopic aluminum..