Specification Brand : Service Caster BulletPoint1 : These Service Caster Series #20 Hard 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. BulletPoint2 : Weight Capacity: 3": 275 lbs Capacity/Caster; 3.5": 285 lbs Capacity/Caster; 4" and 5": 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 top lock brake (TLB) or a total lock brake (TTL). The top lock brake (TLB) 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 - Total Lock Brakes - Black ExteriorFinish : Polished ExternallyAssignedProductIdentifier1 : 689355023812 ExternallyAssignedProductIdentifier2 : 0689355023812 ItemName : Stainless Steel Hard Rubber Swivel Top Plate Caster Set of 4 w/3" x 1.25" Black Wheels - Includes 4 Swivel with Total Lock Brakes - 1100 lbs Total Capacity - Service Caster Brand ItemPackageDimensions_Height : 6 inches ItemPackageDimensions_Length : 7 inches ItemPackageDimensions_Width : 7 inches ItemPackageQuantity : 4 ItemTypeKeyword : plate-casters LoadCapacity : 275.0 pounds Manufacturer : Service Caster Material : Hard Rubber ModelName : Series #20 ModelNumber : Series #20 MountingType : Surface NumberOfItems : 4 PartNumber : SCC-SSTTL20S314-HRS-4 ProductDescription : Listing is for a set of four (4) Service Caster Series #20 stainless steel swivel casters, four (4) swivel casters with total lock brakes, 3” diameter by 1-1/4” wide hard rubber wheels. Supports a total weight of 1,100lbs (275lbs/per caster). When searching for a reliable and durable solution to your caster needs, consider Service Caster’s Series 20 hard rubber casters. The Service Caster Series #20 is ideal for light and medium duty material handling, carts, equipment, and shop projects. The hard rubber wheels not only provide higher load capacities and impact resistance than comparable wheels, but are also resistant to most chemicals and oils. Mounting options include top plate, bolt hole and standard and metric threaded stem sizes. All rolling on a finely crafted ball bearing design and zinc plated finish that provides durability under any condition and keeps you safely moving forward. Service Caster is unsurpassed in quality, reliability, and excellent customer service. Count on us to move you forward. ProductSiteLaunchDate : 2020-08-06T18:56:23.493Z Size : 3" Wheel SurfaceRecommendation : Multi-Surface UnitCount : 1 UnspscCode : 31162702 WebsiteShippingWeight : 6.6 pounds