These Replacement Glass Tubes are for use with the PASCO Compression Igniter.
The Replacement Glass Tubes kit includes two packs of silicone compound lubricant, two glass tubes, and twelve O-rings: two large, two medium, and eight small. The large O-rings are replacements for the ring at the top of the inner glass tube. The medium O-rings are replacements for the ring at the top of the piston rod where it joins the handle. The small O-rings are replacements for the rings on the end of the Compression Igniter piston rod and for the rings on the post that is part of the removable base. The lubricant is for the small O-rings on the piston rod.
The Plastic End Caps are NOT included.