Comparison : Item # H-8004, 3/8" dia. rod, 36" long, straight w/round hole
Item # H-8061, 3/8" dia. rod, 48" long, straight w/round hole
Item # H-8064, 3/8" dia. rod, 48" long, offset w/round hole
Item # H-9029, 5/16" dia. rod, 48" long, straight w/round hole
Item # H-8108, Rod Guide (zinc) w/spring for 5/16" or 3/8" dia. Rods