The SWISS+BURR? B4 deburring set is a popular choice for deburring holes, slots and edges on metals and plastics. | The B4 set contains: SWISS+BURR? 1x Universal handle, 1x B-holder, B10 and B20 blades. | | SwissBurr hand deburring tools are a fast, effective and efficient way of deburring holes, slots and edges. Swiss Burr is a totally modular system of interchangeable handles, holders and blades designed to cover all applications. A choice of HSS or carbide blades, countersinks and scrapers are available to suit your specific application. Swiss Burr blades are also interchangeable with commonly available brands including Kennedy, Noga, Ruko, Seco, Snap-Tap and Stellram.