Specification Brand : Service Caster BulletPoint1 : These Service Caster Series #20 Thermoplastic Rubber casters offer various wheel sizes and mounting heights: 3” Wheel: 4-1/8” mounting height; 3-1/2” wheel: 4-5/8” mounting height; 4” wheel: 5-1/8” mounting height; 5” wheel: 6-1/8” mounting height; 6” wheel: 7-1/8” mounting height. BulletPoint2 : Weight Capacity: 3": 210 lbs Capacity/Caster, 3.5": 230 lbs Capacity/Caster, 4": 250 lbs Capacity/Caster, and 5" & 6": 300 lbs Capacity/Caster BulletPoint3 : Top plate measures at 2-1/2" x 3-5/8" with a bolt hole pattern of 1-3/4" x 2-7/8" to 3" and can either be bolted or welded on. BulletPoint4 : Brake options include a posi lock brake (PLB) or a total lock brake (TTL). The posi lock brake (PLB) places a positive locking force against the wheel tread locking the wheel only. The total lock brake (TTL) also places a positive locking force against the wheel tread, but the total lock brake (TTL) simultaneously locks the wheel and the swivel for a complete stationary position. BulletPoint5 : Find other wheel materials, sizes and all Service Caster products at our Amazon Storefront. Click on the “by Service Caster” link above the main title on any Service Caster page listing. Capacity : 700 pounds Color : 4 Swivel - Top Lock Brakes - Gray ExteriorFinish : Polished ExternallyAssignedProductIdentifier1 : 689355023812 ExternallyAssignedProductIdentifier2 : 0689355023812 ItemName : Stainless Steel Thermoplastic Rubber Swivel Top Plate Caster Set of 4 w/4" x 1.25" Gray Wheels - Includes 4 Swivel with Top Lock Brakes - 1000 lbs Total Capacity - Service Caster Brand ItemPackageDimensions_Height : 6 inches ItemPackageDimensions_Length : 7 inches ItemPackageDimensions_Width : 7 inches ItemPackageQuantity : 4 ItemTypeKeyword : plate-casters LoadCapacity : 250.0 pounds Manufacturer : Service Caster Material : Thermoplastic Rubber Tread on Polyolefin Core ModelName : Series #20 ModelNumber : Series #20 MountingType : Surface NumberOfItems : 4 PartNumber : SCC-SSSS20S414-TPRB-TLB-4 ProductDescription : Listing is for a set of four (4) Service Caster Series #20 stainless steel swivel casters, four (4) swivel casters with top lock brakes, 4” diameter by 1-1/4” wide thermoplastic rubber wheels. Supports a total weight of 1,000lbs (250lbs/per caster). When searching for a reliable and durable solution to your caster needs, consider Service Caster’s Series 20 stainless steel thermoplastic rubber casters. The Service Caster Series #20 is ideal for light and medium duty material handling, carts, equipment, and shop projects. The soft, quiet and non-marking thermoplastic rubber wheels perform especially well on hard surfaces such as concrete, tile, and wood. They are resistant to water, oil, and grease and will keep you safely moving forward. In contrast to the zinc plated caster, the luxuriously polished stainless steel finish resists rust and corrosion in indoor or outdoor applications where moisture is a factor. Mounting options include top plate, bolt hole and standard and metric threaded stem sizes. Service Caster is unsurpassed in quality, reliability, and excellent customer service. Count on us to move you forward. ProductSiteLaunchDate : 2020-08-05T14:54:26.801Z Size : 4" Wheel SurfaceRecommendation : Multi-Surface UnitCount : 1 UnspscCode : 31162702 WebsiteShippingWeight : 7.4 pounds