Biceps Curl S912 SportsArt Status Series has 13 pieces designed to target specific muscle groups in the upper body. We understand that variety is essential for gym users to progress and achieve their goals. For this reason, we have designed at least two options to exercise each muscle group, providing choices for the gym and its members. Pivot point indicator aids user in achieving optimal elbow joint alignment Gas-assisted seat adjustment Handles naturally rotate through the range of motion to reduce wrist stress Incremental 3.5 and 6.5 lb. micro-loading adjustments Stack Weight FEATURES AND SPECIFICATIONS FEEDBACK. Stainless steel guide rods resist rust, chipping, and pitting, provides smooth travel and added value , Ball bearings and Kevlar belts (or coated cables) provide smooth, quiet movement , 5-inch shrouded pulleys provide faultless belt tracking WORKOUT PROGRAM Comfortable cushions, correct ergonomics , Pivot points called out with orange dots for optimal alignment , Magnetized selector fork instantly locks into place for quick, secure action , Retracting cord keeps selector fork from disappearing while eliminating clutter , Flat “fork-style” selector supports weight plates, rather than balancing on a thin, single selector pin , Precision sound dampeners keep stack action quiet , Cold rolled steel weight plates resist rust, convey quality ACCESSORIES 11-gauge (3 mm) steel elliptical tube means lasting strength Rip-resistant marine quality upholstery with industrial strength cushioning Dual powder-coated platinum paint resists scratches and scuffs Kevlar belts for quiet, smooth action and optimal tensile strength; coated cables have 2200 lb. tensile strength aircraft cable