A. The sandblasting set is made of durable material, resistant to corrosion, abrasion, and with stable performance. Its working pressure can reach 5000PSI and the temperature can reach 60 / 140 F. B. WORKING PRINCIPLE: The pressure sandblasting kit is suction-fed of sand into water system, use dry silica sand, baking or washed and dried river sand. C. WIDELY USE: The sandblaster kit is effective at removing rust, graffiti, paint and grease. Plus, they don't create dust like a traditional sandblaster. D. VARIETY OF APPLICATIONS: Designed to blow dust, water, and cleaning abrasives to remove rust, paint, scale, and other stubborn materials from various surfaces; Clean off your machinery and engine compartments or clear your driveway and barn doors of debris with one of these sand blasting guns. E. Note: Don't use play sand or other generic sand products. Make sure the sand is bone-dry. Dry the sand in the sun until it flows like granulated sugar or salt-with no clumps. The hose must stay clean with no wetness and no moisture. F. Please note: slight physical color difference or difference does not affect use, please do not mind, thank you! G. Material: Metal H. colour: As shown I. Package Contents: 1 x Sandblasting set. Only the above package content, other products are not included. J. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.