This Genuine Pentax K1000 & Spotmatic Rewind Knob and Shaft Assembly is a high-quality replacement part for film SLR cameras. It is compatible with Pentax cameras and is made in Japan. The assembly is designed to provide accurate and reliable performance for your camera. The item weighs 2 oz and is made with durable materials. It is a perfect fit for your Pentax camera and will allow you to take high-quality photos with ease. This Rewind shaft assembly is a custom bundle that comes with all the necessary components for easy installation. It is a must-have for any film camera enthusiast.