Fronius - Fronius TTB 160P / 300P Wear parts - Clamping sleeves MS (1.0 ø4.5 x 25 - 3.2 ø4.5 x 25) Fronius TTB 160P / 300P wear parts - clamping sleeves MS (1.0 ø4.5 x 25 - 3.2 ø4.5 x 25), different versions see variants.