Astro Pneumatic Tool 78835 Exhaust Pipe Stretcher Kit, Metallic & TEKTON 1/2 Inch Drive x 38 mm Deep 6-Point Impact Socket | SID23138

• Product 1: Impact driven Heavy-Duty expander allows for fitting smaller exhaust piping and making exhaust seals Product 1: 28mm size bolt head drives the tool and collet sets to expand pipes from 1-5/8" to 4-1/4" Product 1: Apply included grease to threads before use, impact wrenches rated for 800 ft-lbs tightening and above recommended to do most jobs Product 1: Includes: Steel expander 1 5/8" - 2" Collet Steel expander 2" - 2 1/2" Collet 2 3/8"- 2 3/4" Collet 2 3/4" - 3 1/8" Collet 3 1/8" - 3 1/2" Collet 3 1/2" - 3 7/8" Collet 3 7/8" - 4 1/4" Collet Product 2: Size is marked both with a high-visibility laser marking and a permanent stamped marking that won't wear off Product 2: 6-point socket opening provides an exact fit for hex fasteners Product 2: Radiused corners prevent fastener round-off by applying force to a fastener's flat sides, rather than its corners Product 2: Interior socket well extends far into the socket, which allows for better fastener engagement in more situations