Brass Sieve Cover, 3" Diameter Tools and Hardware Feature Specification Product Type Spherical OX3 Select a Mesh Size:NTX355-158 - 355 Micron x 62" (158 cm) Wide Tags it provides a practical

Brass Sieve Cover, 3" Diameter Tools and Hardware Feature Specification Product Type Spherical OX3 Select a Mesh Size:NTX355 158 355 Micron x 62" (158 cm) Wide Tags it provides a practical Feature Specification Product Type Spherical Densiometer Mirror Type Concave mirrored surface Grid Pattern 24 engraved squares (96 intersection points) Housing Durable metal case Leveling Device Integrated bubble level Sighting Aids Crosshair and alignment marks Dimensions Approximately 3 × 3 in The VEE GEE Scientific 43036 STX 3 Handheld Salinity Refractometer is a portable optical instrument designed for measuring seawater salinity and specific gravity