Comparison : Item # 1317-40-254, 6" x Close Length Schedule 40 Seamless Lead Free Brass
Item # 1317-40-256, 6" Tube O.D. x 4" Length Schedule 40 Seamless Lead Free Brass
Item # 1317-40-259, 6" Tube O.D. x 4-1/2" Length Schedule 40 Seamless Lead Free Brass
Item # 1317-40-260, 6" Tube O.D. x 5" Length Schedule 40 Seamless Lead Free Brass
Item # 1317-40-261, 6" Tube O.D. x 6" Length Schedule 40 Seamless Lead Free Brass