Suitable to fit tube of 48.3 mm Product Code : NPI-CU-05Weight : 1.080 kg Bolts : EN-8Boron Steel As BS-1139 Section 2.2 Qualified Test of Distortion : 28.9 KN Qualified Test of Slip : 12.4 KN Drop Forged with Boron Steel Bolts, Zinc Plated. Used for Connection of 2 tubes at any angle.