Aluminum block with sight glass. SAE certified 134A 60 hoses. Includes free 10 application dye injection system. The item "Mastercool 89661-UV 134A Aluminum Manifold Gauge Set with60 Hoses & Couplers" is in sale since Wednesday, June 4, 2014. This item is in the category "eBay Motors\Automotive Tools & Supplies\Diagnostic Service Tools\Other Diagnostic Service Tools". The seller is "jbtool" and is located in Livonia, Michigan.