Specification Brand : Service Caster BulletPoint1 : These Service Caster Series #20 Soft 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": 175 lbs, 3.5" & 4": 200 lbs, and 5": 275 lbs Capacity/Caster BulletPoint3 : All casters feature a 3/4” x 2” square stem with (3) 17/64” diameter mounting holes. Don't see the size you need? No problem! Call us or message us by clicking the blue Service Caster Corporation hyperlink underneath the buy or add to cart button and then clicking the ask a question button. BulletPoint4 : Brake options include a top lock brake (TLB) or a total lock brake (TTL). The top lock brake (TLB), which is featured on 3", 3-1/2", 4", and 5" wheel sizes, places a positive locking force against the wheel tread locking the wheel only. The total lock brake (TTL), which is featured on all wheel sizes, 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. Color : 4 Swivel w/2 Top Lock Brakes ExternallyAssignedProductIdentifier1 : 011586607132 ExternallyAssignedProductIdentifier2 : 0011586607132 IncludedComponents : Caster Wheel ItemName : Swivel Square Stem Caster Set 4 w/4” x 1.25” Black Soft Rubber Wheel-3/4” x 2” Square Stem with (3) 17/64” Diameter Mounting Holes-Includes 2 Top Lock Brakes-800lbs. Cpty/Caster - Service Caster Brand ItemPackageDimensions_Height : 5 inches ItemPackageDimensions_Length : 5 inches ItemPackageDimensions_Width : 5 inches ItemPackageQuantity : 1 ItemTypeKeyword : stem-casters LoadCapacity : 200.0 pounds Manufacturer : Service Caster Material : Rubber ModelNumber : Series #20 MountingType : Stem Mount NumberOfItems : 4 PartNumber : SCC-SQ20S414-SRS-TLB-34-2-S-2 ProductDescription : Listing is for four (4) Service Caster Series #20 swivel casters, two (2) swivel & (2) swivel with top lock brakes, with a 4” diameter by 1-1/4” wide black soft rubber wheels and a 3/4" square stem. Supports a total weight of 800lbs (200lbs/per caster). When searching for a reliable and durable solution to your caster needs, consider Service Caster’s Series 20 square stem soft rubber casters. The Service Caster Series 20 is ideal for light and medium duty material handling, carts, equipment, and shop projects. The zinc plated finish provides durability under any condition. The soft rubber wheels- resistant to most chemicals and oils- combine a soft tread on a hard rubber core, offering quiet movement and a cushioned ride. The square stems are designed to be bolted or riveted onto the inside of angled iron legs or against any flat surface. Service Caster is unsurpassed in quality, reliability, and excellent customer service. Count on us to move you forward. ProductSiteLaunchDate : 2021-03-23T14:20:24.714Z Size : 4" Wheel - 3/4" Stem Style : 2 With, 2 Without Brakes SupplierDeclaredDgHzRegulation : not_applicable SurfaceRecommendation : Multi-Surface UnitCount : 4 UnspscCode : 31162702 WebsiteShippingWeight : 9.1 pounds