Clamplock Yokes – Specially developed for positive connection of driveline to splined hydraulic pump shafts. WIDE APPLICATION RANGE. CLAMPLOCK yokes are available to fit SAE or metric hydraulic pumps or motor spline types found on mobile equipment. PREVENTS FRETTING OR FLOGGING. The double bolt split clamp design locks solid on to splines giving long trouble free life. HIGH STRENGTH FOR LONG LIFE. CLAMPLOCK yokes are manufactured from steel to a high degree of precision, accuracy and strength.