Vari-Bit® Step Drill Bit, #2, 1/2 in to 1 in Cutting Dia, 9 Steps ORS NASCO Patented locking mechanism holds cable

Vari Bit® Step Drill Bit, #2, 1 2 in to 1 in Cutting Dia, 9 Steps ORS NASCO Patented locking mechanism holds cable Patented locking mechanism holds cable tight at any position Weather tough aluminum alloy body and vinyl coated cable resist rust and operate in extreme conditions Keyed alike convenience with the removable rekeyable cylinder —key to other Python locking cables Larger surface area means more air flows in and out of the mask without a valve Durable Dura Mesh® shell prevents collapsing from heat and humidity FlexFit® design fits the contours of the face and mouth for comfortable extended wear Soft foam nose cushion and pinch free nose bridge