Straight Refine by Ball diameter < 1 mm ≥ 1 - ≤ 1.5 mm ≥ 2 - < 3 mm ≥ 3 - < 4 mm ≥ 4 - ≤ 5 mm ≥ 6 mm Effective working length < 11 mm ≥ 11 - ≤ 29 mm ≥ 30 - ≤ 50 mm > 50 mm Probing system Renishaw Zeiss Thread M2 M3 M4 M5 Stem material Steel Ceramic Carbon fibre Tungsten carbide Tip material Ruby Zirconia Silicon nitride Tungsten carbide Diamond 12345Next >>..62 Product Unit price Add to cart M4 Ø4 mm ruby ball, stainless steel stem, L 18 mm, EWL 13.7 mmA-5000-7551 $52.00 M4 Ø6 mm ruby ball, stainless steel stem, L 17 mm, EWL 13.3 mmA-5000-7555 $58.00 M3 Ø4 mm ruby ball, stainless steel stem, L 21 mm, EWL 17.2 mmA-5000-7606 $37.00 M3 Ø5 mm ruby ball, stainless steel stem, L 21 mm, EWL 21 mmA-5000-7630 $37.00 M3 Ø0.5 mm ruby ball, tungsten carbide stem, L 21 mm, EWL 2 mmA-5000-7632 $119.00 M4 Ø5 mm tungsten carbide ball, stainless steel stem, L 50 mm, EWL 35 mmA-5000-7670 $81.00 M4 Ø8 mm ruby ball, ceramic stem, L 50 mm, EWL 50 mmA-5000-7795 $124.00 M4 Ø8 mm ruby ball, ceramic stem, L 100 mm, EWL 100 mmA-5000-7796 $155.00 M2 Ø0.3 mm ruby ball, tungsten carbide stem, L 10 mm, EWL 2 mm.A-5000-7800 $122.00 M2 Ø0.7 mm ruby ball, tungsten carbide stem, L 10 mm, EWL 4 mmA-5000-7801 $92.00 12345Next >>..62 Shopping security Recall your cart