See Stratocaster® replacement necks with a "D" profile here: https://warmoth.com/guitar-necks/stratocaster?neck_back_profile=678
See Telecaster® replacement necks with a "D" profile here: https://warmoth.com/guitar-necks/telecaster?neck_back_profile=678
Learn more about all Warmoth's neck back profiles here: https://warmoth.com/guitar-neck-profiles