Protecta Rebel AD111A by Protecta - 11 ft. Web

Rebel Self Retracting Lifeline (SRL) features an 11 ft. polyester webbing lifeline, with a nylon shock absorber. The rugged aluminum housing and stainless steel working components can withstand rough use, yet weighs only 2.8 lbs. The unique thin webbing enables a compact size that is only 4 inches in diameter by 2 inches deep, and incorporates a smooth case with rounded corners.

And the carabiner is included!
Weight capacity is 310 lbs.

Complies with OSHA and ANSI requirements. Two year warranty on parts and workmanship. And at this price, no re-certification is required for the life of the unit.