Keithley 4288-2-301 Middle Bracket for 428 General Inquiries/Quote Request Keithley 4288-2-301 Middle Bracket for 428 SKU: KEI4288-2-301 Category: Parts and Accessories Tag: accessory Brand: Keithley Description Specifications Description Keithley 4288-2-301 Middle Bracket for 428 Additional information Weight .3 lbs Dimensions 4 × 2 × 1 in Related products Keysight 10076A High Voltage Probe, 100:1, 4 kV, 250 MHz More Info Keysight 1134A InfiniiMax 7 GHz Probe More Info Keysight 1132A InfiniiMax Probe, 5 GHz More Info