Glass Tube Cutter, 1 4 in to 1 in Cutting Capacity, Includes Chain no checkout Non conductive solid Nuplaglas handles are Non conductive solid Nuplaglas handles are manufactured in Safety Orange for easy identification and provide electrical insulation on the job Handles are laser marked 1000V with high voltage double diamond Each tool carries a unique serial number permanently registered at Nupla Corporation plastics and elastomeric materials Can be used on rough or irregular surfaces Designed to cut glass tube and brittle tubular materials from ¼ in to 1 1 2 inch Based on the original Wheeler squeeze and pop principle Replaceable chain