A simple screw top design locks the joint in while still leaving it easily accessible. Screw top 98mm 1000 Count Gold tube with gold screw. Black Tube with Black Cap Shrink wrap your tubes with Joint Tube Shrink Wrap and a Heat Gun to keep your product fresh, safe, and secure. Available in the following sizes:1 1/4 (84mm) | 98 Special (98mm) | King Size Tubes | 94mm | 95mm | 98mm | 109mm | 116mm | Conical Tubes