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chaz · September 23rd, 2012, 15:02

The cylinder is made from STKM 13C which is seamless STEEL pipe. The Steel they use for their PDI branded versions might be a stronger steel.

September 23rd, 2012, 15:02	#5
chaz Trader rating Join Date: Jan 2006 Location: Ajax	The cylinder is made from STKM 13C which is seamless STEEL pipe. The Steel they use for their PDI branded versions might be a stronger steel.