Part 12, 13, 14, 15, 18 - Traveler Peak Pole Assembly1x Peak Pole Upper W Dome Cap, 1x Upper Peak Bracket (4 way), 1x Peak Pole Lower W Adj Handle, 1x Peak Pole Spring, 1x Pole Support W Lower Peak Bracket Part Number: 12, 13, 15, 18, 14 Pole Support W Lower Peak Bracket Length: 27. 55 in. This is based on 10x10. 10x15, 10x20. Truss bar size varies for 5x5, 8x8 Peak Pole Lower with Adj Handle Length: 20. 47 in. This is based on 10x10. 10x15, 10x20. Truss bar size varies for 5x5, 8x8 Peak Pole Upper with