MARCY Sit-Up Abdominal Slant Bench JD 1.2 Extra Long Back Pad RRP £69.00. MARCY JD1.2 ABDOMINAL SIT UP SLANT BENCH. Carve a concrete core with the Marcy JD1.2 Abdominal Slant Bench! Secure your feet with 3 ankle rollers heights, perfectly aligning you with the long bench's board for healthy, safe training.