Sun 540-4177 Spud HDD Bracket only, no metal tray, fully working.

mint condition, have not been used, good as new, see images.

Manu            SUN.
Range            HDD Bracket/Caddy.
Model            Plastic/Metal Spring-Loaded HDD Spud.
P/N               540-4177-01.
S/N            .
Form Factor        3.5 inch x 1.0 inch LFF Hard Drive.
Dimensions        (WxDxH) 110 mm x 150 mm x 25 mm.
Weight/Bracket        50 g.        

This listing is for 4 of SUN spud HDD bracket only.
Sun.
Sun System Handbook - ISO 3.4 June 2011 Internal/Partner Edition.
Spud Bracket.
http://archives.retrobridge.org/sun/system-handbook/3.4/Devices/Disk/DISK_3024_Bracket.html

Note, there is no metal plate with this item.

Appears these can be used with a number of IBM server offerings.
This will require further research to be undertaken (to those ends) by the buyer.

For the avoidance of doubt, listing particulars and sale price refers to four items only.

Sale Price/Item        £  21.50.
Postage/Item           £   3.95.
            Royal Mail Small Parcel; Maximum Size (WxHxD) : 45 x 16 x 35 cm; Max. Weight : 2 Kg.
            Royal Mail Small Parcel Tracked 48 includes £ 100.00 insurance cover.
Shipping Dims./Item    (WxDxH) 160 mm x 220 mm x 40 mm.
Shipping Weight/Item   365 g.