This holster will fit MOST AA battery small flashlights. Fits: Mini Mag, Terralux, and many more! The opening measures around 7/8". The leather is flexible to accommodate slightly larger flashlights. Made from 6-7oz saddle leather by Hermann Oak tanned in the USA. Handmade and hand finished. This product is all about quality. Super heavy duty to last years! Measures around 3.5 inches tall, 1.75 inches wide. Hole is 7/8 inch diameter Mechanic tested and mechanic approved on a daily basis.