Tape consists of 12 to 15 mm wide strip of either Yarn coating or linen or cloth / or plastic coating. having very fine brass or copper or bronze wires. Woven into it to prevent it from elongation and twisting Graduated in metric system. Each meter length is divided into decimeter and centimeters. It is available in various length. 30 meter length is in common use. The tape is available in a leather / suitable cover with a winding device. The Zero end of the tape is provided with a metal ring. 10 meters 15 meters 20 meters 30 meters 50 meters

Measuring Chain consisting of a fixed number of straight links of galvanized mild steel wire 4mm in diameter. The end of each link are bent into a loop and connected together by means of three circular shape rings. The joints of the rings made be open or welded preferably welded. The ends of the chain are provided with brass handles. The handle is linked with a swivel joint to the chain. The length of each linked is 200 mm. each meter is provided with circular brass ring & each five meter length is provided wit brass talltes of
requisite shapes each chain should be provided with 10 nos
of M.S.Arrows of 4 mm diameter bar and 40 cm. Height
Refer : IS 1492-1970
i) 20 meter chain
ii) 30 meter chain