Manfrotto 088LBP Thread Adapter 1/4-20 To 3/8" w/ 1.18" Diameter Flange
$17.28 list price $15.99 your price
Manfrotto 120 Adapter Plate - 3/8" to 1/4"
$38.88 list price $35.99 your price
Manfrotto 148KN Adapter 3/8" To 1/4"-20 Bushing
$18.99 your price