Check the listing for details. 39" / 100cm Mechanical Cable Release Auto-Locking cable release Vinyl Covered. Condition: New. Listed at 26.30 USD. This 39" / 100mm Cable release is perfect for firing the shutter of your SLR camera, reducing camera shake for sharper pictures. The cable release can be locked in place so you can use the bulb (B) function on your SLR camera for extra long exposures. The cable release screws into the threaded hole on your shutter release button, and by pressing the cable release you can fire your camera. A neat little collar on the cable release allows you to lock it in place for the (B) function and quickly release it when needed. Our default method of sending mail to all areas of the UK is by Royal Mail 48 service. We also offer Royal Mail 24, Special delivery & tracked services. Bulkier Items are usually sent by courier Our default method of sending International Mail. Is by International Standard Airm.