You don't have to be sharp to utilizethisglass blunt! TheTwisty Glass Bluntfrom 7 Pipe is 3.85" long and delivers-Glass blunt nirvana." Easily holds up to 1.5 grams. The metal augur absorbs heat and cools down smoke by doubling the length of space it travels before being inhaled. Loading is simple, just twist the screw counterclockwise into the tube. To remove ash, simply twist the screw clockwise to push the scraps out, and scrape away with the edge of a lighter. The heat sink and path lengthening properties of the screw contribute to a 30% cooler hit. 7 Pipe has also developed "Infini Cherry" technology that keeps herb lit longer. Each Twisty Glass Blunt is made with premium 2mm thick German-engineered SCHOTT glass for incredible durability! 7 Pipe's proprietary titanium coating has six layers, each serving a vital purpose in their engineering. They also use laboratories accredited by the US Consumer Product Safety Commission to test all products. The Twisty Glass Blunt comes with everything needed including the Twisty glass tube, augur, a Microfiber carrying bag, a cleaning brush and 2 replacement rubber caps.