The Bahco BCL21BK is a genuine replacement blade kit designed specifically for the Bahco BCL21 electric pruning shears. This kit ensures optimal cutting performance and extends the life of your pruning tool. It contains two high-quality blades, a securing nut, and a screw for easy replacement and maintenance. With dimensions of 95mm length, 51mm width, and 12mm height, and a weight of 0.12 kg, it's an essential maintenance part for professional arborists and landscapers using Bahco BCL21 pruners.