Blum T65.9000 Tandem Plus Tool Set for Drawer Slides Template Review Posted on January 17, 2019 By DaughterSeaUrchinTagged Blum, Hardware, Tools & Home Improvement Blum T65.9000. This installation tool set for Tandem includes a 2.5MM drill bit extension, a 6MM stop collar, a #2 Phillips bit and an Allen wrench.