The STONEX STPSMINI112B is a compact mini prism system designed for precise surveying and total station measurements in confined or hard-to-reach areas. It features a 25.4 mm prism with –30/0 mm offset, a lightweight 4-section mini pole (4 × 30 cm), and a durable plastic holder, making it easy to handle and transport. Ideal for short-range measurements where accuracy and portability are essential.