Image 1 of 1 Tiller Arm 1 3/8" $188.99 Keyway =�1/4" Size = 7" Shaft =�1-3/8" Length = 9-1/4". Quantity: Add To Cart Added! Keyway =�1/4" Size = 7" Shaft =�1-3/8" Length = 9-1/4". You Might Also Like Quick View Tiller Arm for 1-1/8" Shaft $159.04 Quick View Tiller Arm 1 3/4" $219.00 Quick View Tiller Arm 1 1/4" $167.17 Quick View Tiller Arm 1" $124.99 Quick View Off Set Bronze Tiller Arm 1/4" $219.99