Ridgid ZRR86116K 18-Volt Lithium-Ion 1/2 in. Cordless Brushless Compact Hammer Drill Kit (Certified Refurbished) This Certified Refurbished product is tested & certified by Ridgid to look and work like-new. The product includes all original accessories, and is backed by a 1 Year warranty. Brushless motor technology delivers up to 50% more run-time and longer motor life Die-cast gear box for extended jobsite durability 1/2 in. single sleeve ratcheting chuck carbide locking mechanism securely holds bits during high torque applications Grip light engages light independently of trigger to illuminate work space