The GML’ Crafted Marking Blocks are designed for precision and durability in the drilling industry, specifically for use in core boxes. Each block measures 3 cm x 6 cm and is made from high-quality pine, ensuring a lightweight yet sturdy construction. Every block features a smooth finish, making it easy to write on with a Sharpie for clear and long-lasting identification of core samples.

For customer convenience, these marking blocks are available in two storage options: they can be supplied dry in 5-gallon pails or packaged in fiberglass bags. Pricing varies depending on the selected storage application. Built to withstand tough field conditions, these marking blocks reflect a commitment to quality craftsmanship and reliability, making them an essential tool for drillers and geologists managing core samples.