EISCO Burette Clamp with Bosshead/Test Tube Holder - PVC Coated Round Jaws, Opens up to 45mm
Round clamp features PVC dipped steel jaws which open from 15mm to 45mm. The clamp attaches to rods up to 13mm in diameter. Threaded rod and wing nut adjust clamp angle and overall length from 13 to 15cm.