As Per IS : ASTM C-191

This instrument is used for determining the time setting of hydraulic cement.

Specification:

A base with a vertical shaft and two horizontal arms.

The lower arm is adjustable for height. 1 No.. Initial Needle 1/12 inch dia 1/4 lb.wt. 1No.. Final Needle 1/12 inch dia. 1lb.wt. 1 No. Glass base plate. Complete as above