Different size.
Different shape: cone or straight.
Aluminum Alloy Bobbin for Textile Machine. Twisting Machine
Different Size is available
Aluminum Alloy bobbins with high mechanic specifications are used to stand high pressures from the yarn without getting deformed
Dimensions:
1) 320 bobbin: dia. 37.2 x dia. 42 x 320mm
2) 270 bobbin: dia. 37.2 x dia. 42 x 270m
3) 145-165 bobbin: dia. 145 x dia. 90 x 165 x 177mm
4) 160-165 bobbin: dia. 160 x dia. 90 x 165 x 177mm.