Spoon end will pass through a 19/22 outer joint, while the spatula end will pass through a 14/20 outer joint. Made of non-magnetic stainless steel with a mirror finish. Spoon end is 9/16in (14. 3mm) wide x 1 1/4in (32mm) long and is excellent for use in transferring crystalline material. Spatula end is 5/16in (8mm) wide x 2in (51mm) long.