Hillman Seamless Steel Spacers (1/4 in. I.D. x 3/8 in. O.D. x 1/2 in. Length) 880414 - The Home Depot

Hillman 3/8 I.D x 1/2 O.D x 1-1/2 in. Seamless Steel Spacer (5-Pack) 880418 - The Home Depot

Hillman 3/4 I.D x 1 O.D x 2 in. Seamless Steel Spacer (5-Pack) 880425 - The Home Depot

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Round spacers are the most common shape of designed for minimal clearance applications. Aluminum spacers are popular for being light weight and

Everbilt #8 x 1/4 in. x 1/2 in. Aluminum Spacer 815238 - The Home Depot

Hillman 59651 1/4 x 3/8 x 1/2-Inch Seamless Steel Spacer, 10-Pack, Silver : Industrial & Scientific

Hillman Seamless Steel Spacers (1/4 in. I.D. x 3/8 in. O.D. x 1/2 in. Length) 880414 - The Home Depot

Hillman 59651 1/4 x 3/8 x 1/2-Inch Seamless Steel Spacer, 10-Pack, Silver : Industrial & Scientific

Hillman Spacers & Machine Bushings at

Everbilt 1/4 in. x 7/32 in. Aluminum Spacer 815178 - The Home Depot

Hillman Seamless Steel Spacers (1/2in. I.D. x 5/8in. O.D. x 1-1/2in. Length) -1 Pack at Tractor Supply Co.