Premium Bosshead - Universal Swivel, Industrial Series Universal Swivel Bosshead up to 16 mm rods. Adjusts to Any Angle (Dual 360 Rotation of Boss-heads), Threaded metal one piece clamping screws, Both bossheads can swivel 360 degrees, Made of high strength powder coated alloy
Premium Clamp - Three Finger with Bosshead, Industrial, Cork Lined Extension Lab Clamp, 8.5 cm maximum clamp opening attached to swivel bosshead, Clamp constructed of powder coated high grade zinc alloy, 3 finger cork lined clamp attached to swivel bosshead, Boss accommodates to 18 mm rod