Standard duplicate-sample design. 0.875” in diameter. Two unit-dose samples are obtained from exactly the same spot at each sample port. The bottom most port starts at 3.5” from the tip. Each sample port requires either two sample dies or two blank dies. Same dies, which fit in Model I sampler also fit in this sampler. Hollow blank dies and Delrin inner shaft are recommended with this design. Stock sizes are 2ft with 5 ports, 3ft with 7 ports, 4ft with 8 ports, 5ft with 10 ports and 6ft with 12 ports.