ALS Puck (Original Puck-for use with ALS-style robots only). The ALS-style Puck is a sample pin storage and shipping container compatible ONLY with ALS-style sample mounting robots. The puck holds 16 sample pins. It consists of two parts: 1) the sample enclosure and 2) the sample base piece. Only the sample base piece is magnetic. Each part of the puck has a unique serial number for identification.