ACCURATE READINGS: The aluminum level features SurroundView vials that reflect ambient light. This makes reading in dark or dim-lit areas convenient and accurate. SECURE GRIP: the Johnson level has screwed-on hand grips that promise a secure hold during the task. ROBUST CONSTRUCTION: The magnetic level has solid block acrylic vials that do not fog, leak, or break. It promises to withstand the test of time and roughest job site abuse. HIGHLY DURABLE: The box level comes with shock-absorbing end-caps for drop-protection, ensuring it stays accurate for lasting performance. IDEAL APPLICATIONS: The Johnson 24 in. aluminum box level is ideal for framing, finishing carpentry, and concrete work.