Welcome to Signature Mods the SQ Black on Black Options -22mm Doors Mod width will Be 23mm -24mm Doors Mod Width Will Be 25mm IMPORTANT NOTE (This is a mechanical mod and should only be used by Experienced Vapers) Specs: - Manual left hand Adjustment 510 with Allen key provided - Designed and manufactured by Signature Tips UK - Solid Silver Contact Points - Fine shot blasted and Hard anodized. - A range of coloured doors and bodies will be available very soon - Manufactured from Solid Billet Aluminium - Commercial grade 3D printed internal mount - Super Soft Squonk Bottle - NEW Signature BF 510 Connection - Magnetic Lid's (22 Magnets in total) - Flush 510 - Dimensions - serialized - disassemble the complete unit within minutes - Delrin Button (Other colours will be available soon) Ohms Law and Battery Safety must be maintained at all times with these boxes!!!