Empire Glasswork's Glass Joystick Cap made for PuffCo's New Peak & Proxy Devices. Our Joystick caps are made of 100% Borosilicate glass. We created a glass joystick replacement for Puffco's devices to be both stylish and functional. Features: Borosilicate Glass Compatible with Puffco's New Peak Device (see photo) and Puffco's Proxy Joystick Tethers. UV Activated ( clear under normal lighting but turns pink when exposed to UV light) Dimensions: Length: 13.6 ± .5 mm Weight: 1g Notes: *Designed to be used with the Puffco New Peak E-Rig & Puffco Proxy Joystick Tether. Individually Hand Crafted Art Piece. Limited Quantity and Availability. UV Activates Under UV Light Only, NOT Glow in the Dark.