Insize Portable Refractometer DEF 0–40% Series 5803-B40 43 x 25mm D.O.C HSS Weldon Shank Annular Cutter 5 mm Range Hand Reamer

5 mm Range Hand Reamer allows for size adjustment based on your specific needs

This M33 X 3

Ideal for caravans

Bypass: 101

Stainless Steel Hose Clamp PackSize is 9mm initial which will crimp down to 7

Insize Portable Refractometer DEF 0–40% Series 5803-B40 43 x 25mm D.O.C HSS Weldon Shank Annular Cutter 5 mm Range Hand ReamerInsize Portable Refractometer for Diesel Exhaust Fluid The INSIZE 5803 B40 Refractometer is a precision optical instrument designed to measure the concentration of urea in diesel exhaust fluid (DEF). Featuring a wide measuring range and easy operation, it ensures reliable monitoring for SCR (Selective Catalytic Reduction) systems. Compact and portable, this refractometer is ideal for field use and workshop applications. Specifications : Part No: 5803