.Model Number C-HP-135-135, C-HPL-135-135, C-MP-335-335, C-MPL-335-335, ENH-N-135, ENHL-N-135, ENM-N-335, ENML-N-335, P-HP-135, P-HPL-135, P-MP-335, P-MPL-335, For Reel Series C-SERIES, EN-SERIES, P-SERIES Replacement Spring, Spring Type Spring with Canister, Spring Material Steel, Canister Material Steel, For Use With Mfr.