Fronius - Fronius TTB 260A / TTB 500A Wear parts - Clamping sleeve 1.6/ ø11.5 x 56 - 6.4/ ø11.5 x 56 (item 3 on the detailed view)

Fronius TTB 260A / TTB 500A Wear parts - Clamping sleeve 1.6/ ø11.5 x 56 - 6.4/ ø11.5 x 56 (item 3 on the detailed view), see variants.