Model 112 Single Rise Single rise bow springExcellent wellbore performanceInstall with 201B Stop Collar FEATURESHeat treated spring-steel bows Model 112 & 117 (excluding Model 116)Model 116 uses Formed “U” Shaped BarsReinforced collarsLocking tab secures bow spring to the collarExceptional restoring forcesSimple assembly at customer’s shopMeets or exceeds API 10D Specification