Screw Anchor Expander Replace 870 For Greenlee For Anchor 84305 Power Drill Part For Caulking Anchor Size 3/8" - 16 Item Description Fits: For Anchor 84305 Usage method: Drill hole of required size and put anchor screw on expander Insert screw anchor into dilled hole,Strike head of expander with hammer or mallet until anchor is held securely in wall then Unscrew expander Specifications: Minimum dimension of holes required: 3/4" Diameter x 1 1/4" Depth Screw anchor bolt size: 3/8-16 Tips: If you have any other questions, please consult us and we are happy to answer it for you ? See more product details Installation Steps Step 1 Drill hole of required size and put anchor screw on expander Insert screw anchor into dilled hole Step 2 Strike head of expander with hammer or mallet until anchor is held securely in wall Unscrew expander Specifications Minimum dimension of holes required: 3/4" Diameter x 1 1/4" Depth Screw anchor bolt size: 3/8-16 Payment We accept payment only through the Payment system. Shipping Most products are usually shipped within 1-2 business days from the date of being ordered. We do ship worldwide via the International Shipping Program. For an international shipment quote, please add add item to cart and attempt checkout. will supply the international shipping price. Return We do not accept returns except in certain, unlikely circumstances.