There is only one red hole 22cm apart., Red hole spacing 18cm/pair,, Black hole spacing 18cm/pair,, Silver hole spacing 20cm/pair,, Black hole spacing 20cm/pair,, [Comfortable Version] Black hole spacing 20cm/pair,, Silver hole spacing 22cm/pair,, Black hole spacing 22cm/pair,, Enhanced black hole spacing 22cm/pair,, Enhanced version of red hole spacing 22cm/pair,, Silver hole spacing 23cm/pair,, [Adjustable] Silver hole distance 23cm/pair,, [Adjustable] Hole distance black 23cm/pair,, [Adjustable enhanced version] Hole distance black 23cm/pair, Red hole spacing 18cm/pair, There is only one red hole 22cm apart, Blackhole distance 18cm/pair, Silver hole distance 20cm/pair, Blackhole distance 20cm/pair, Silver hole distance 22cm/pair, Silver hole distance 23cm/pair, Silver hole distance 23cm adjustable/pair, Red hole spacing 22cm/pair, Black adjustable 23cm/pair, The white hole distance is 22cm/pair, the same as the red style, New product black 22cm/pair, Blackhole distance 22cm/pair
