Couple of possible cheap web links.
http://www.sawyerengineering.co.uk/http://www.sawyerengineering.co.uk/
http://www.greenweld.co.uk/cgi-bin/sh000001.pl?REFPAGE=http%3a%2f%2fwww%2egreenweld%2 eco%2euk%2f&WD=pneumatic&SHOP=%20&PN=Shop_Pneumati c_273%2ehtml%23aQ9012#aQ9012http://www.greenweld.co.uk/cgi-bin/s...2fwww%2egreenw eld%2eco%2euk%2f&WD=pneumatic&SHOP=%20&PN=Shop_Pne umatic_273%2ehtml%23aQ9012#aQ9 012
The 100mm x 160mm option.
http://www.engsurplus.btinternet.co.uk/http://www.engsurplus.btinternet.co.uk/ ...Hes not got anything reallly suitable listed at the mo ...but he might be worth a shout.
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