These slides are made from premium hand pulled borosilicate tubing. Each slide is approximately 4mm thick and (72mm) long. Slinky Pinky is a polished but textured color that produces rough, distorted sounds when sliding, but rings true when held in place. this color shits under daylight from yellow to a bright pink. don’t be fooled by the name this color is not for the novice player, but when picked just right, it can sound like a dream. These slides are also available in our (33mm) Lead Collection.