The CAT 175-3700EX kit contains all the parts that you're used to getting in a CAT 175-3700 kit, plus additional nickel plated contacts. This 368 piece kit contains:

• 58 connectors ranging from 2 to 12 cavities
• 58 wedges
• 35 front seals
• 30 cavity plugs
• 6 removal tools
• 1 removal pick
• 120 gold plated contacts
• 60 nickel plated contacts