Monument 367 Sheet Lead Seaming Pliers - Bent Monument Tools Sale! from £46.90 £46.90 (inc VAT) £39.08 (ex VAT) Qty. Add to Basket This item is currently on backorder but you can still purchase it now and we'll ship as soon as more become available. IN STOCK. NEXT DAY Delivery (if ordered before 12:00) The Monument Seaming Plier is used to form and clinch sheet materials for roofing work. It assists in forming standing seams, welts etc in lead, copper, zinc and aluminium. Blade Length: 115mm.