Six-point mounting system with micro-adjustable head and throat mounting posts eliminates any racquet distortion. Accomodates any contour of frame, easy to mount and release. Hold-down mounting accessories are provided for maximum supports. 2 diamond-coated, dual-action metal swivel clamps can move in any direction up and down; and can handle all types of racquets without extra accessories. Manual crank spring tensioning system strings all racquets fast and precisely, easy to operate. Linear ball bearing string gripper. 9-102 pound tension range in both pound and kilogram scales. Adjustable width string gripper handles any size of string and prevents string damage. Frame retainers protect against scratching the frames finish. 360 degree rotation with brake. All-Metal swivel clamp base - just need half turn to lock and release the base. Metal tool tray with pad. Metal machine base with level-adjustable pads. Tension head stop, manual. Tools: 1 6mm T-shaped Allen wrench, 1 10mm wrench, 1 Phillips screwdriver, Allen wrenches. String all racquets: tennis, oversized tennis, widebodies, longbodies, fan patterned, squash, racquetball, and badminton. Free illustrated stringing tutorial guide: show you how to string racquets step by step. Handle all types of racquets from long-body to badminton Handle any diagonal stringing.