New Flat Back Style Headlight Ring Clamp with Mounting Screw for International and IH Farmall Cub (up to serial number 210000),  Cub LoBoy (up to serial number 10000),  Super A (Late; 1951 and  up),  Super C (1951 and up),  Super H,  Super M,  Super MD,  Super MDTA,  Super MDV,  Super MTA,  Super W4,  Super W6,  Super WD6 (SN: 3951 and up),  Super W6TA,  Super W9,  Super WD6TA,  Super WD9,  WR9S,  100,  130,  200,  230,  300,  330,  350,  400,  450 tractors.

IH Wheatland Tractors:  400,  450.

Replaces Case IH Light Ring part number 358891R91.

This ring clamp will fit flat back style lights, also referred to as pancake style lights.  This style of light is shown in the last photo.  The listing is just for the clamping ring.