“D” Telescopic drop-arm extension 44cm up to 65cm (17” to 25"), with a 1-1/8” spigot on the top and a universal head (1-1/8”F + 5/8”F + 5/8” male) on the bottom
“D” Telescopic drop-arm extension 73cm up to 123cm (28” to 48”), with a 1-1/8” spigot on the top and a universal head (1-1/8”F + 5/8”F + 5/8” male) on the bottom
“D” Telescopic drop-arm extension 113cm up to 200cm (44” to 78”) with a 1-1/8” spigot on the top and a universal head (1-1/8”F + 5/8”F + 5/8” male) on the bottom