Overview Reviews Product Description AutoCocker pump handle return Spring.Will work on any pump kit that has a 3/8 inch. main shaft. Product Videos Custom Field Product Reviews (No reviews yet) Write a Review Write a Review × AutoCocker pump handle return Spring (3/8"OD) Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name *Email *Review Subject *Comments