CYLINDRICAL TEST TUBES PP, 100x12mm Back Catalog number: 302 Availability: In the manufacturer's stock Price on request - + Recommended 656 TEST TUBE CAPS, 28mm (100 pcs) Price on request 655 TEST TUBE CAPS, 22mm (100 pcs) Price on request 658 TEST TUBE CAPS, 38mm (100 pcs) Price on request