Upper and Lower Crimping Die, Compatible Connector Type RYA-AC, RYA-ACR, RYA-UCR, YDS, YE-R, YE-W, YS-CG, Compatible Cable Type Aluminum, Copper, Number of Crimping Sizes 3, Connector Color Code Black, Gray, Orange, Pink, Red, Yellow, Number of Pieces 1, Maximum Crimping Force 6 ton, Compatible with Manufacturer Model Number MD6, MD7, PAT600, PATMD, Y500CTHS, Compatible with Series W Style, Application Crimping, Crimping Capacity 2/0 to 4/0 AWG ACSR, 2/0 to 4/0 AWG Aluminum The BURNDY(R) Type W crimping tool die is designed for making reliable and controllable electrical connections. Stainless steel construction. Index number: K-840.