Get current pricing for Oem, OEM-5744-ID Lot. Instron Dynatup Cross Heads Consisting Of: 2. Crosshead-weight W/out Tup & Bolt 26.12 Lbs, 9 X 7 3/8 .1. Crosshead, Weight W/ Tup & Tup Bolt 5. . Product Category: Lab Equipment, Sub Category: Other: