Allen Key Set Ball Point 9 PieceThe OM Hex Key Set Ball Point 9 Piece 1. 510mm is designed for fastening and loosening hex socket screws. The set includes nine ball point hex keys covering sizes from 1. 5mm to 10mm, allowing access to fasteners at slight angles where straight hex keys may be limited. This set is intended for mechanics, technicians, and general trades for workshop and site use where versatility and access are required for hex fastener work. CustPricelist. pdf None