McMaster 48805K525 Precision Extreme Pressure 316 Stainless Steel Fitting Bushing Reducing Adapter, 3 8 Male x 1 4 Female NPT 10163033 Smudge Free Refrigerant Type R 600a Defrost Smudge Free Refrigerant Type R 600a Defrost Semi Automatic Residential Commercial Residential Energy Star Compliant Yes Includes Beverage Dispensing System Number of Shelves 2 Item Mini Refrigerator with Freezer Section Commercial Residential Residential Refrigerator Temperature Range (C) 0 Degrees to 10 Degrees C Door Hinge Swing Refrigerator Capacity 3 Socket Point Styles Included 12 Drive Type Impact Material Alloy Steel Insulated No Container Type None Socket Shape 12 Point Piece Count Range 26 to 50 Compatible Fastener Type Bolts Number of Standard Sockets 26 Includes Standard Sockets Yes Tether Ready No Includes Deep Sockets No Non Magnetic No Locking Yes Non Sparking No Includes Drive Tools No They are 316 stainless steel for excellent corrosion resistance The male threads are rolled for extra strength in extreme pressure applications