About This Accurate dimensions specifications: Measures 65.5 mm outer and 61 mm inner diameter; has a height of 23 mm suitable for standard tools; made of durable aluminium alloy; contains 5 pieces black front caps in the package for enough spare parts HEAVY DUTY WEAR RESISTANCE Constructed with sturdy structure to withstand impact and daily wear; the rustproof material defies high humidity in bathrooms; ensures this gun front section remains functional without corrosion Seamless tubular bag adjustment: designed to seamlessly replace common cylindrical rubber covers; provides strong adaptability for tubular bag glue guns; ensures precise fit; check your barrel dimensions before purchase SECURE LEAK PROTECTION Features a threaded design for easy manual installation without tools; gently twist to secure the cover; bonds barrel tightly to prevent leakage; protects adhesive from drying out in the nozzle Rich replacement stock: provides a reserve for future maintenance work in the studio; sufficient quantity solves immediate replacement requirements; Ideal for home renovation or professional use; This aluminum accessory maintains the cleanliness of the gun