[DETAIL] Drill Stop Bit Collar Set �C Kit Includes: 1/8", 3/16��, 1/4��, 5/16��, 3/8��, 7/16�� and 1/2-Inch with Allen Wrench to Tighten The Stops Set-Screws 8pcs Drill Bit Depth Stop Collar, drill Limited ring, clamping device, positioner Stop Collar: Diameter-3mm, 4mm, 5mm, 6mm, 8mm, 10mm, 12mm, 16mm��1/8, 3/16, 1/4, 5/16, 3/8, 7/16, 1/2, 5/8") Hexagonal diameter: 2.5 mm Positively locks anywhere along the bit, screw type collar will not damage bits. Mainly used to fix the drill bit, limit the depth of the drill hole, so that the depth of the hole can be consistent, more convenient use of round tenon. Applicable to standard and spikes,The fixed screw shaft does not damage the drill bit Note: 1. Please make sure the address is correct and we are not responsible for wrong or undeliverable addresses. 2. We fully understand it would be frustrated when the shipment takes longer than expected. As we promised, we will ship out the items within 7 day once payment clears, however, the shipping is controlled by the shipping company and we are just as anxious as you are. Low rating on shipping time would be unfair to us. Your understanding is highly appreciated. We hope our customers be happy when they received our items, so please only buy when the shipping time is acceptable for you. 3.Free shipping by ePacket to USA. 4. Our default shipping method is China Post air mail with tracking. Payment: 1. We accept Alipay only. 2. Simply click the "Pay Now" button at the top of your ended auction to submit a secure payment through checkout. 3. Final purchase price do not cover any applicable tax or duty that might be charged by customs .Buyers are responsible for such charges 4. If you have any problem on payment,please inform us. Return back and Feedback: 1.For any personal reasons (choose a wrong size / wrong color / doesn't fit ), you can simply email us to get the return mailing address and return the item(s) in its original condition. Return shipping charges will be the buyer's responsibility. We will not accept any items with odors (perfume, smoke, etc.) 2. If items are damaged, we must be contacted within 24 hours of receipt. 3. For other quality issues, we will refund immediately once we receive the photo of the item. 4. Item must be returned within 14 days after buyer received it. 5. Our Goal is to offer 5-Star Service if you do not feel that we deserve 5-Stars please contact us before leaving feedback. 6. Have questions on comments? We would be happy to hear from you! We are dedicated to our customers and feel you should receive the personal attention you deserve. We typically reply to e-mail within 24 hours during normal business hours. [ATTRIBUTES] - Brand Name: SenNan - Origin: Mainland China - is_customized: Yes - Brand Name: SenNan - Origin: Mainland China - is_customized: Yes - Certification: CE - Model Number: Drill bit Depth Stop - DIY Supplies: Woodworking - Material: High Carbon Steel - Type: Location Drill Bit - Use: Wood Drilling - Length: 3-16mm