Mini Pocket Level Keychain (2 Pack) Very handy and useful, durable, accurate, bubble level on a keychain. Overall measurement of level portion is about 2 x 0.6 x 0.6 inches. Has a 1 inch, stainless steel, split keyring. Bubble level is contained in a solid block of high density, transparent plastic (Lucite (TM)). You will receive 2 of these levels for this price.