Block for Visible,for 5ml reaction vials 12x20,3mm Back Catalog number: MU22-00-508JK Manufacturer: HANGZHOU MIU INSTRUMENTS Availability: 4 weeks Price on request - + Recommended SP-16 DIGITAL MAGNETIC STIRRER, 200 ~1600 rpm 258,99 € 18900407 Heating block, used for 50mL tubes, 4 holes 274,63 € 8017413100 MS-H280-B500LCD Digital Magnetic Stirrer with Electric Heating Mantle,fit 500mL beaker;Including temperature sensor and support clamp 402,60 €