Dead Ringer Quick-Detach System. It comes with a matching barrel nut for easy installation and features a zero-degree angle to maintain your bow's balance. With a 1" outside diameter it's built to accommodate all stabilizers ensuring a universal fit. Specifications for Dead Ringer Quick-Detach System: Manufacturer: Dead Ringer Color: Black Features of Dead Ringer Quick-Detach System: Includes matching barrel nut Zero-degree angle for bow balance 1" outside diameter for universal stabilizer fit Compatible with all stabilizers Lightweight at 8 pounds Dimensions are 2 x 11 x 6 inches Package Contents: Dead Ringer Quick-Detach System