This ad is for ONE (1) 14mm SMOKED GLASS SPOOL glass slide bowl with a lower edge glass grip, a slightly taper flat bottom bowl and a single exit hole. Over-all this slide is about 2" long and has a 14mm male joint size. The actual bowl part of the slide is a 3/4" diameter x 1" deep straight bucket shape with a flat bottom and a single open exit hole. The grip is 1 1/8" in diameter and 3/16" thick.