These slides are made from premium hand pulled borosilicate tubing. Each slide is approximately 4mm thick and (72mm) long.  Pink Hammer is an opaque double layered color with a white interior color that shifts to a bright pink, orange color when exposed to UV or black light. this slide can come in hot and pairs well with low fretted acoustic guitars as well as electric low-fretted Instruments.  These slides are also available in our (33mm) Lead Collection.