"bouteille de gaz"

Threaded Metal One-Piece Clamping Screws

Thicker Than Normal 7 mm Threaded Clamping Screws

This bosshead can swivel 360°.

Lab Aid, Many Uses

A versatile clamp to securely grip a variety of cylindrically shaped glass and labware.

Perfect for Physics

Great for Connecting Rods and Apparatus in Tight Places without Sacrificing Strength

Secure laboratory equipment and apparatus at right angles.

Our swiveling boss head allows you to hold two rods at any angle.

Securely holds rods at a 90 degree angle.