Series 21.00 - art 21.2 21.00 SERIES - ART. 21.2Round stainless steel ball with through course for flat rod Ø 240 and 300 spheres are sold without a slide AVAILABLE: Ø 130 - 160 - 220 - 240* - 300* TECHNICAL DATA SHEET. Andrea Giovetti2022-11-17T14:02:07+01:00