HSGM Type VST Heat Cutter Blade - Cutting blade for a variety of heavier cutting operations. The entire head, V shape, of blade heats (40mm or 1.574 inches). Sold individually. It is recommended to use our HSG-0-electronic or our HSG-3-VW to power this blade to receive a satisfactory cut and seal. 1/4" thick glass is the HSGM recommended cutting surface for your cutting table. Made in Germany.