Replaces: SL37, 37, #37
Series 37 (1350)
37.810
3.00 x .083
Replaces: SL41, 41, #41, N141, IRR
Series 41 (1410)
37.720
3.50 x .083
Replaces: SL48, 48, #48, N148, 1480 Series
Series 48 (1480)
37.250