Quad-4 Heavy-Duty Impact Flip Socket, SAE Medium (1/2, 9/16, 5/8, 11/16)

ProprietaryFlip SocketIn 3 kits

Quad-4 Heavy-Duty Impact Flip Socket, SAE Medium (1/2, 9/16, 5/8, 11/16) comes in 3 Klein Tools KNECT kits. The cheapest kit that includes it is the 653QS at $41.99 (Amazon, 2026-10-18).

Sizes: 1/2" · 9/16" · 5/8" · 11/16"
Connects to: Klein flip socket
Type: Proprietary (system-specific)
Category: Flip Socket

Cheapest kit that includes it

$41.99

653QS · Quad-12 Heavy-Duty Impact Flip Sockets, SAE, 6-Piece · Amazon, 2026-10-18See the 653QS →

Kits that include the Quad-4 Heavy-Duty Impact Flip Socket, SAE Medium (1/2, 9/16, 5/8, 11/16)

Kit	Qty	Kit price from
Quad-12 Heavy-Duty Impact Flip Sockets, SAE, 6-Piece 653QS	1	$41.99
Quad-16 Heavy-Duty Impact Flip Sockets, SAE and Metric, 6-Piece 654QS	1	$69.98
Quad-24 Heavy-Duty Impact Flip Sockets, SAE and Metric, 9-Piece 656QS	1	$99.98

Notes

Four sizes in one spring-loaded socket. Also sold outside KNECT (651QS, 651MQS, 6512QS, 652QS, 652MQS).

Other sizes and variants

Quad-4 Heavy-Duty Impact Flip Socket, Metric Medium (9, 11, 13, 14 mm)
In 3 kits Quad-4 Heavy-Duty Impact Flip Socket, Metric Small (7, 8, 10, 12 mm)
In 3 kits Quad-4 Heavy-Duty Impact Flip Socket, SAE Small (1/4, 5/16, 3/8, 7/16)
In 3 kits

Questions

Which kits include the Quad-4 Heavy-Duty Impact Flip Socket, SAE Medium (1/2, 9/16, 5/8, 11/16)?

653QS (1×), 654QS (1×), 656QS (1×).

What is the cheapest way to get the Quad-4 Heavy-Duty Impact Flip Socket, SAE Medium (1/2, 9/16, 5/8, 11/16)?

Buy the 653QS, Quad-12 Heavy-Duty Impact Flip Sockets, SAE, 6-Piece, from $41.99. We have not found it sold on its own.

What does the Quad-4 Heavy-Duty Impact Flip Socket, SAE Medium (1/2, 9/16, 5/8, 11/16) connect to?

Klein flip socket.