6 Pcs Universal C Clamp With 1/4'' And 3/8'' Thread Hole Aluminum Support Clamp Product Features Sufficient Quantity and Universal Size: you will receive 6 pieces of bench clamp, which come with about 1/4"-20 threaded holes and 3/8"-16 threaded holes, compatible with these same sizes of screws, sufficient for your daily usages and replacements Easy to Clip and Adjust: these small C clamps boast the ability to grip objects roughly 1.9 inches thick conveniently, and their screw knobs allow for handy operation and easy adjustments, providing you with a lot of convenience Nonslip and Sturdy Rubber Pad: the C clamp set is adorned with nonslip rubber pad which is mainly made of ABS material, which will not easily leave traces on the surface, increase friction and effectively prevent falling off Handy to Install: these C clamps heavy duty are mainly made of ABS, aluminum alloys and plastics, and there are a plurality of installation holes reserved on the surface, which is convenient for installation on multiple angles Widely Applicable: the small C clamp is ideal for woodworking and can be conveniently secured onto tables, carts, benches, digital SLR cameras, workstations, posts, headrests, fixtures, and much more Shipping: Shipping is complimentary within the lower 48 US States. We Do Not Ship to PO/APO Boxes, HI or Alaska We Do Not Ship Outside of the Continental US All items ship within 24-72 hours of Payment For large items that require Freight shipping a valid phone number is required to call and schedule your delivery Terms of Sale and Feedback: Feedback is extremely important to us and If you are satisfied with our transaction, please take a moment to leave Positive Feedback. YOUR Satisfaction is our #1 Priority! If there are any issues, PLEASE contact us BEFORE leaving a neutral or negative rating so that we may resolve any concerns. We PROMISE we can make you happy if you give us a fair chance. Returns / Concerns: All items qualify for returns within 14 - 30 days of receipt. Buyer is responsible for return shipping on any item that is not damaged Please be sure this is an item you want before making your purchase. Customer Satisfaction is our TOP priority! All items are IN STOCK at time of listing. Inventory changes constantly and it is impossible to maintain a perfectly accurate count of all items. Please do not penalize us if we have to issue you a refund! Thank You For Your Business!