Compression Spring, .45 x .175 OD x .016 Wire Dia., to fit A-dec® FC, Lever Style Pkg of 10 Fits A-dec® Lever Style Foot Control, (A-dec® #013.019.00) Package of 10 A-dec® is a registered trademark of A-dec, Inc. DCI has no affiliation with A-dec and A-dec has not authorized DCI replacement parts to be used on or in connection with A-dec® products.