Description For left and right hand threaded pistons. Suitable for most 3/8″D wind-back adaptors and pin type adaptors. Additional Information A pneumatic/air tool for brake caliper piston rewind. Suitable for pin drive or 3/8″D. For left and right handed threaded pistons. Time saver. Full adaptor range available. Supplied with a 3/8″D to 2 pin magnetic adaptor to fit adaptors in 3991. Part Number: 3993
