Drum/bottle holder, adjustable tilt, for Stuart STR4/3 rotary shaker

The drum holds the ship at a 45º angle so that it is rolled and rotated at the end.
at the same time, which gives a vigorous figure of 8 mixing actions. The sample container is held by a strong Velcro strap.
Accepts almost all containers, including reagent bottles, powder jars, and paint tins up to 200 mm in length and 120 mm in diameter.