Straight Refine by Probing system Renishaw Zeiss Thread M2 M3 M4 M5 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 Stem material Steel Ceramic Carbon Fibre Tungsten Carbide Tip material Ruby Silicon Nitride Tungsten Carbide Ceramic Alumina 12345Next >>..59 Product Unit price Add to cart M3 Ø1 mm ruby ball, stainless steel stem, L 21 mm, EWL 4 mmA-5000-3551 $32.00 M3 Ø2 mm ruby ball, stainless steel stem, L 21 mm, EWL 9.6 mmA-5000-3552 $32.00 M3 Ø3 mm ruby ball, stainless steel stem, L 21 mm, EWL 14.7 mmA-5000-3553 $32.00 M3 Ø4 mm ruby ball, stainless steel stem, L 31 mm, EWL 27 mmA-5000-3554 $32.00 M2 Ø3 mm ruby ball, stainless steel stem, L 10 mm, EWL 7 mmA-5000-3604 $22.00 M2 Ø2 mm ruby ball star stylus centre, stainless steel stem, L 16.3 mmA-5000-3609 $71.00 M4 Ø6 mm ruby ball, ceramic stem, L 50 mm, EWL 38.5 mmA-5000-3709 $97.00 M4 Ø6 mm ruby ball, ceramic stem, L 100 mmA-5000-3712 $109.00 M2 Ø4 mm ruby ball, stainless steel stem, L 10 mm, EWL 10 mmA-5000-4154 $22.00 M2 Ø5 mm ruby ball, stainless steel stem, L 10 mm, EWL 10 mmA-5000-4155 $36.00 12345Next >>..59 Shopping security Recall your cart