Make sure your safety data sheets are kept protected and within reach with Avery UltraDuty safety data sheet binders with chains. The industrial-grade 3 ring binder is built with tough yet flexible plastic designed to withstand damage from water, abrasion and chemicals such as heptane, isopropyl alcohol cleaner, sodium hydroxide and more. The durable front and back covers are wide enough to fully cover binder dividers and sheet protectors for a cleaner appearance. A 36" long chain is also included with a metal clasp in order to keep your material safety data sheets close to your SDS binder holder or rack while making sure that they stay in the same spot. The metal chain hooks into a reinforced hole in the binder spine in order to avoid damage to the binder rings and locking mechanism. The 1.5" slant rings can hold up to 375 sheets.