Independent Telephone Network's ITN TS-HOLDER - Old School Lineman's Leather Butt Set Holder, designed to protect you when slapping Test Set in place! Original WE style Leather Lineman's Test (Butt) Set. Angled metal loop designed for Test Set w/a Spring-Loaded Clip. Wide tunnel belt loop supports up to 2.5" wide belt. American Engineered and Made in the USA w/Cowhide Leather. ed/hb