Weems & Plath 141 15" Brushed Aluminium Arm Parallel Rule Type:Parallel Ruler Star Tron breaks down excess

Star Tron breaks down excess water and sludge to sub-micron size

It cures between close fitting metal surfaces and prevents loosening and leakage from shock and vibration

Made from grade 316 stainless steel bodies and pins

Lightweight construction

and cleaning boosters

Weems & Plath 141 15" Brushed Aluminium Arm Parallel Rule Type:Parallel Ruler Star Tron breaks down excessOf all the traditional parallel rulers, the Weems & Plath 141 15 (381 mm) Brushed Aluminium Arm Parallel Ruler is always the best seller. This sturdy acrylic parallel ruler is easy to use and is a necessary tool for every seagoing navigator. Brushed aluminium arms Polished aluminium handles Milled with bevelled edges Includes protractor scale