Comparison : Item # SC-109A, Bi-Pin Halogen Round Styles Lampholders for Lamps G4 MR11, GX5.3, MR16, G6.35
Item # G6-R32, Bi-Pin Halogen Round Styles Lampholders for Lamps G4 MR11, GX5.3, MR16, G6.35
Item # G4-R41, Bi-Pin Halogen Round Styles Lampholders for Lamps G4, MR11
Item # G5-R21, Bi-Pin Halogen Round Styles Lampholders for Lamps G4, G5.3 and G6.35
Item # G5-R21XNY, Bi-Pin Halogen Round Styles Lampholders for Lamps MR16, G6.35