ITEM NO.	LENGTH mm (inch)	I.D. mm (inch)	O.D. mm (inch)
Black
GCL20	133 (5.25)	19.2 (0.76)	24.55 (0.97)
GCL22	133 (5.25)	21. (0.83)	27. (1.06)
GCL24	146 (5.75)	24. (0.94)	29.75 (1.17)