Specifications:

201 (line inner warp 8mm) plastic head

202 (passing line inner longitude 10mm) plastic head

203 (line internal longitude 16mm) plastic head

701 (passing line inner longitude 10mm) plastic head

702 (line internal longitude 16mm) plastic head

301 (line inner warp 8mm) metal head

4011 (line internal longitude 10mm) metal head

4012 (line internal longitude 16mm) metal head

401 (passing line inner longitude 10mm) metal head

402 (cross-line inner warp 13mm) metal head