Compression Spring Medium Duty Color Silver Standard Steel Finish Oil Overall Length 2-9/16 in Outside Dia 1-1/64 in Wire Type Round Wire Dia 0.120 in End Type Squared and Ground For Hole Size 1-5/32 in For Rod Size 5/8 in Compressed Length 1.148 in Load (Lbs.) 28.41 Deflection @ Load 0.51 in Spring Rate 55.44 lb./in Meets/Exceeds ASTM A227/A228 and AMS 5112 Package Quantity 6