Amazon.com: GY6.35 G6.35 AC/DC12V LED Bulb 4W Equivalent to 35-40W GY6.35 Halogen T4 JC Type Bi-pin Base Warm White 2700K, Non-dimmable, Pack of 5 : Everything Else
G4, G5.3, and G6.35 Spring Loaded Bi-Pin Porcelain Socket with Recessed Holes
LH0604 G4, G5.3, G6.35 bipin halogen lamp holder/socket with mica front and 12" leads
GY6.35 G6.35 Bi-pin Base LED Bulb 4Watt AC DC 12V Silica Gel Crystal Warm White 2700k-3000K Landscape Lighting,JC Type, Equivalent 25W- 30W Q35/CL/T4 Halogen Bulbs (5-Pack) - Amazon.com