OEM# 0644-601, 0644-659, 0744-098O.D.: 8MM(0.3") / 5.3MM(0.21"), LENGTH: 100.5MM(4") / 51MM(2")THREAD:5/16"-24UNC X L:1.8", DISTANCE FROM TOOL END TO THREAD: 13.3MM(0.52")MATERIAL: STEEL 1015