RU15 1/2 3/8
RU15 1/2 1/2
RU15 5/16 3/8
RU15 3/8 3/8
RU15 1/8 10/32
RU15 1/4 10/32
RU16 5/32 10/32
RU16 5/32 1/8
RU16 1/4 1/8
RU16 5/16 1/8
RU16 1/4 1/4
RU16 5/16 1/4