3000 / 049Yolk – 1” Butterfly Double Sided Keyed 1/4”
3000 / 050Yolk Full – 1” for 3/16” Shear Pin
3000 / 052 Yolk Half – 1” for 3/16” Shear Pin
3000 / 053Yolk Half – Yolk with 45mm Hub3000 / 054Yolk Half – Yolk with 53mm Hub