The Title Boxing Masonry Wall Mounting Hardware Kit #12 is specifically for installing the Title Classic Heavy Bag Wall Hanger, Title Deluxe Wallmount Bag Hanger, Title Spacesaver Wallmount Bag Hanger, Fighting Sports Slip-N-Move Wallmount Hanger, Title Precision Adjustable Speed Bag Platform, Title Platinum Wall Hanger, and Fighting Sports Pro Wheel Speed Bag Platform into masonry walls. The hardware set includes 4 Hex-Head Lag Screws, 4 Flat Washers, and 4 Lag Expansion Shields. It's time to upgrade your workout today! Install Title Classic Heavy Bag Wall Hanger, Title Deluxe Wallmount Bag Hanger, Title Spacesaver Wallmount Bag Hanger, Fighting Sports Slip-N-Move Wallmount Hanger, Title Precision Adjustable Speed Bag Platform, Title Platinum Wall Hanger, and Fighting Sports Pro Wheel Speed Bag Platform into masonry walls. Includes: 4 Hex-Head Lag Screws – 4 3/4” x 3/8”, 4 Flat Washers - 3/8”, and 4 Lag Expansion Shields - 2 1/2” x 3/8” (5/8” Hole). Comes with 12 pieces total. Perfect for upgrading your speed bag hardware and making sure it's secure. Upgrade your workout today with this hardware set.