Size: Hole Diameter: 8mm / 0.32 inch; Overall Size: 17x22mm / 0.67x0.87 inch(DxH); Packing List: 100 x Cord Locks Advantage: Made of plastic material, not easy to break, can be used for a long time. Application: The cord locks are used for finishing cord ends to prevent the rope from slipping. Widely used in drawstring, lanyards, luggage, backpacks, tents, or other outdoor products, meet your needs of DIY craft. Instruction: Press the button and adjust the length of the rope to meet you need, and then release the button. NOTE: Please confirm the hole diameter before . DEFEND YOUR & PRIVACY: heavy-duty barrel bolt lock is stronger than normal sliding lock for door. Extra for your bathroom, bedroom, locker-room, gate. Also great for cabinet, backyard, shed, fence, stall, attic, dutch door, etc. It's small & simple, but will hold the door shut firmly, keep those pests & nasty intruders away. STRONGER, DURABLE & NICE-LOOKING: Our barrel door slide latch lock is made of heavy duty stainless steel, the solid door latch has been tested over 500,000 times. With brushed finish surface technology, our barrel bolt lock has elegant matte effect, never fade, more smooth & corrosion-resistant. With countersunk design, screws are more fitted, so the barrel bolt is more concise and nice-looking. SMOOTH SLIDING & NEVER BREAK: Our barrel bolt lock's chute is specially polished by machine, so the handle slides smoothly. The self tapping handle won't break like the electrowelding handle. EASY TO INSTALL: In less than 3 minutes, we can mount barrel bolt on the door frame with the usual screwdriver, but for hard door panels, we recommend using power screwdriver and drill, which is easier to install. Our door bolt is easy to match any inward or outward swinging door, installed on any side & direction: left, right, vertical or horizontal. In the vertical case, the notch holds the bolt in the locked position.