FEATURES 1)Manual Spring Tension Winder(11-89 lbs range) 2)Patented Roller Guide for Maximum Accuracy and consistency 3)Professional Six Point "Quick Mount" Racquet Mounting System - Accommodates All Racquet Without Adaptors 4)Parallel Jaw Gripper w/Diamond Dust Coated Gripping Surfaces 5)Professional Dual Action, Rotating, Diamond Dust Coated, Fixed String Clamps 6)High Strength Extruded Aluminum Frame with Durable Anodized Finish and Convenient Padded Tool Tray 7)Unique Internal Drawer System for String Tools and Adaptors Available Table-top or with Stand Price on Application.