They come with a slotted hole

H-D style (points)

Matte Finish

An amphibious car is a good example

#PSHC-271 5/16-18 x 5/8 length Polished Chrome Socket Head Allen Bolt - 10 Pack

Universal 9 inch Battery Cable Thread Size_7/16-20 They come with a slottedIncrease starter performance by supplying maximum battery current to the starter motor, available in lengths from 7" 20" long. Sold individually. 4 gauge cables manufactured with pure electrolytic grade, 36 gauge tinned copper strands for maximum current transfer and flexibility. Specially rated 257F, oil and grease resistant, ultra flexible black jacket guarantees excellent performance. All cables manufactured with 1 4 terminal and 5 16 terminal