Bottom Diameter(small-end): 18mm / 0.71"; Top Diameter(big-end): 24mm / 0.94"; Body Height: 25mm / 0.98"; Fit for hole: 18mm to 24mm; Package Content: 4 x Solid Rubber Stoppers
Solid Silicone Stoppers: Made of silicone rubber, resistant to cracking, shrinking, hardening, or breaking. It has good resistance to chemicals, acid, and alkali resistance, high-temperature resistance
High Temperature Resistance: With a heat tolerance of up to 600°F/315°C, these silicone plugs can withstand extreme temperatures without compromising their performance
Tapered Design: The tapered shape allows for a secure push-in fit into holes and openings of different sizes. Simply push the stopper into the desired opening for an instant, leak-proof seal
Wide Application: Solid rubber stoppers are widely used for hole plugs, spraying, coating, and paint protection, and widely for blocking transmission, brake, vacuum pipelines, and ports in chemicals, machinery, construction, or laboratories