Prestacyce's Big Angle Mini Pro head features a larger diameter stepped Urethane insert for easy installation, gentle removal, and a secure, long-lasting seal. Designed for accurate pressure readings, it allows pressing the Presta pin internally. The Big Angle Presta Head fits more wheels and includes a durable Urethane Elastomer gasket for a better seal and flexibility, ideal for tubeless tires. Made from nickel-plated 6061-T6 alloy, it is strong yet lightweight and compatible with Silca pumps, adaptable to other brands with optional accessories.Easy Push on/ pull off Presta headUrethane Elastomer Insert is softer and strongerLasts more than 5 times longer than rubberSafe for all types of Presta valves, including tubeless and tubeless-conversion valvesWill not harm newer lightweight performance valvesMade with 6061-T6 Aluminum Alloy Strong as Brass and only 1/3 the weightNOTE - Will not connect to an air compressor by itselfUses standard floor pump connection - Not for 1/4" ThreadsFITS: Floor Pumps & Prestaflator Pro Tools onlySafe for all types of Presta valves, including tubeless and tubeless-conversion valves Prestacycle Big Angle Mini Pro Pump Part UPC: 689466126730