Comparison : Item # HBP-274, Bi-Pin Halogen - Rectangular Styles G4, GX5.3
Item # HBP-4087, Bi-Pin Halogen Rectangular Styles Lampholders for G4 Lamps
Item # SC-110, Bi-Pin Halogen Rectangular Styles Lampholders for Lamps GX5.3, MR16
Item # F59-HKY, Bi-Pin Halogen Rectangular Styles Lampholders for Lamps GX5.3, MR16
Item # SC-113-1, Bi-Pin Halogen Rectangular Styles Lampholders for Lamps GX5.3, MR16