3-position pendulum action controls the aggressiveness or smoothness of cuts, Patented anti-vibration counter-balance mechanism and rubber grip providing a smooth operation, Quick and easy patented keyless blade change system, accepts T-shank blades, Rubber coated grip to reduce surface vibration and user fatigue, Dust blower keeps line of cut clear of dust and debris, Tool-free adjustable shoe with anti-scratch cover bevels 45 degrees in both directions, Includes heavy-duty TSTAK II kitbox, Modular component design for trouble free servicing, Items Included: Heavy duty kit box (1)# 4.0Ah XR Li-Ion battery packs with state of charge indicator (2)# Multi-voltage charger (1)# Anti-scratch shoe cover (1)# Dust port (1)