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On Sale. Free Shipping. Cassin Stream FEATURES of the Cassin Stream Nickel-plated chromoly steel is polished smooth for easy placement Same shaft and thread configuration as the Radion SPECIFICATIONS of the Cassin Stream Tube Diameter: 16.5 SPECIFICATIONS for 12 cm Weight: 4.4 oz / 126 g Length: 4.7in. / 12 cm Thread Lenght: 88 SPECIFICATIONS for 17 cm Weight: 5.3 oz / 151 g Length: 6.7in. / 17 cm Thread Lenght: 101 SPECIFICATIONS for 22 cm Weight: 6.2 oz / 175 g Length: 8.7in. / 22 cm Thread Lenght: 101 ALL CLIMBING SALES ARE FINAL.