Comparison : Item # 1317-41-101, 1" Tube O.D. x 2" Length Schedule 40 Nipple Chrome Plated Brass
Item # 1317-41-102, 1" Tube O.D. x 2-1/2" Length Schedule 40 Nipple Chrome Plated Brass
Item # 1317-41-103, 1" Tube O.D. x 3" Length Schedule 40 Nipple Chrome Plated Brass
Item # 1317-41-104, 1" Tube O.D. x 3-1/2" Length Schedule 40 Nipple Chrome Plated Brass
Item # 1317-41-105, 1" Tube O.D. x 4" Length Schedule 40 Nipple Chrome Plated Brass