Machine Shop Products › Universal Coil Mount, LS, Smart Coil Image 1 of 1 Universal Coil Mount, LS, Smart Coil $39.00 Save valuable fab time - 2) 5/16” holes and 1) 3/8” hole to ease mounting decisions, coils mount up or down. Very universal. Add To Cart Added! Save valuable fab time - 2) 5/16” holes and 1) 3/8” hole to ease mounting decisions, coils mount up or down. Very universal.