Made up of high grade steel pipe 48mm diameter x 3mm thick. The Standards Vertical & Ledger (Horizontal) are two components of cup lock scaffolding system. The standard vertical cup lock pipe are formed by two cups – fixed bottom cup which is welded to the standard vertical pipe while the movable top cup rotated downwards to tightened the horizontal ledger pipe. The forged blade welded at the end of horizontal ledger pipe.